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Illinois Compiled Statutes

Information maintained by the Legislative Reference Bureau
Updating the database of the Illinois Compiled Statutes (ILCS) is an ongoing process. Recent laws may not yet be included in the ILCS database, but they are found on this site as Public Acts soon after they become law. For information concerning the relationship between statutes and Public Acts, refer to the Guide.

Because the statute database is maintained primarily for legislative drafting purposes, statutory changes are sometimes included in the statute database before they take effect. If the source note at the end of a Section of the statutes includes a Public Act that has not yet taken effect, the version of the law that is currently in effect may have already been removed from the database and you should refer to that Public Act to see the changes made to the current law.

REVENUE
(35 ILCS 200/) Property Tax Code.

35 ILCS 200/Tit. 3

 
    (35 ILCS 200/Tit. 3 heading)
TITLE 3. VALUATION AND ASSESSMENT

35 ILCS 200/Art. 9

 
    (35 ILCS 200/Art. 9 heading)
Article 9. General Valuation Procedures

35 ILCS 200/Art. 9 Div. 1

 
    (35 ILCS 200/Art. 9 Div. 1 heading)
Division 1. Office Operations

35 ILCS 200/9-5

    (35 ILCS 200/9-5)
    Sec. 9-5. Rules. Each county assessor, board of appeals, and board of review shall make and publish reasonable rules for the guidance of persons doing business with them and for the orderly dispatch of business.
    In counties with fewer than 3,000,000 inhabitants, these rules shall not require specific proof to be offered nor limit the nature of evidence which may be offered as a condition of filing an assessment complaint under Section 16-55.
    In counties with 3,000,000 or more inhabitants, the county assessor and board of appeals (ending the first Monday in December 1998 and the board of review beginning the first Monday in December 1998 and thereafter), jointly shall make and prescribe rules for the assessment of property and the preparation of the assessment books by the township assessors in their respective townships and for the return of those books to the county assessor.
(Source: P.A. 98-322, eff. 8-12-13.)

35 ILCS 200/9-10

    (35 ILCS 200/9-10)
    Sec. 9-10. Office hours. The offices of the chief county assessment officer shall be open all the year during business hours to hear or receive complaints or suggestions that property has not been properly assessed.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/9-15

    (35 ILCS 200/9-15)
    Sec. 9-15. Annual meeting of supervisor of assessments. In all counties of township organization having a supervisor of assessments, the supervisor of assessments shall, by January 1 of each year, assemble all assessors and their deputies for consultation and shall instruct them in uniformity of their functions. The instructions shall be in writing and available to the public. Notice of the annual assembly shall be published not more than 30 nor less than 10 days before the assembly in a newspaper published in the township or the tax assessment district, and if there is no such newspaper, in a newspaper published in the county and in general circulation in the township or tax assessment district. At the time of publishing the notice, a press release giving notice of the assembly shall be given to each newspaper published in the county and to each commercial broadcasting station whose main office is located in the county. The assembly is open to the public.
    Any assessor or deputy assessor who wilfully refuses or neglects to observe or follow instructions of the supervisor of assessments, which are in accordance with law, shall be guilty of a Class B misdemeanor. Any supervisor of assessments who willfully gives directions which are not in accordance with law is guilty of a Class B misdemeanor.
(Source: P.A. 84-837; 88-455.)

35 ILCS 200/9-20

    (35 ILCS 200/9-20)
    Sec. 9-20. Property record cards. In all counties, all property record cards maintained by a township assessor, multi-township assessor, or chief county assessment officer shall be public records, and shall be available for public inspection during business hours, subject to reasonable rules and regulations of the custodian of the records. Upon request and payment of such reasonable fee established by the custodian, a copy or printout shall be provided to any person.
    Property record cards may be established and maintained on electronic equipment or microfiche, and that system may be the exclusive record of property information.
(Source: P.A. 83-1312; 88-455.)

35 ILCS 200/9-25

    (35 ILCS 200/9-25)
    Sec. 9-25. Township property record cards. In counties under township organization, the township assessors and multi-township assessors shall allow the supervisor of assessments to make a duplicate copy of any or all records compiled and maintained by the township assessor and multi-township assessor. The supervisor of assessments shall make and maintain a complete set of property record cards. The township or multi-township assessor shall supply the supervisor of assessments with a copy of all new property record cards as they are added to the tax rolls.
(Source: P.A. 84-837; 88-455.)

35 ILCS 200/9-30

    (35 ILCS 200/9-30)
    Sec. 9-30. Property records systems - Townships and multi-townships. The township or multi-township assessor may spend funds for the preparation, establishment and maintenance of a detailed property record system which would provide information useful to assessment officials. The assessor also may enter into contracts with persons, firms or corporations for the preparation and establishment of the record system. The property record system shall include up-to-date and complete tax maps, ownership lists, valuation standards and property record cards, including appraisals, for all or any part of the property in the township or multi-township assessment district in accordance with reasonable rules and procedures prescribed by the Department, but the system and records shall not be considered to be assessments nor limit the powers and duties of assessing officials. The record shall be available to all assessing officials and to the public.
(Source: P.A. 82-554; 88-455.)

35 ILCS 200/9-35

    (35 ILCS 200/9-35)
    Sec. 9-35. County tax maps - Supervisor of assessments. Except as provided in Section 5-1108 of the Counties Code, each supervisor of assessments shall prepare and maintain, in accordance with rules and procedures prescribed by the Department, tax maps and up-to-date lists of property owners' names and addresses and property record cards for all of the property in the county, and shall procure at regular intervals from the records maintained by the county recorder information relating to transfers of property. The supervisor of assessments shall not, however, duplicate the work of any full-time township assessor or multi-township assessor who maintains up-to-date and complete tax maps, ownership lists and property record cards in accordance with rules and procedures prescribed by the Department. This shall not preclude the maintenance of duplicate records in the supervisor of assessments' office. This Section shall not prohibit the preparation and setting up of a property record system (including appraisals) and property record cards as provided for in other Acts, but such system and records shall not be considered to be assessments nor limit the powers and duties of the assessors as provided by this Code. Systems and records or copies of them set up under other Acts may be maintained by the supervisor of assessments in his or her office. In preparing the original tax maps, lists and property record cards, he or she shall consult with the Department and the Department shall furnish to the officer such supplies and equipment as may, in its judgment, be necessary to set up the original set of maps, lists and records required by this Section.
(Source: P.A. 86-482; 86-1475; 88-455.)

35 ILCS 200/9-40

    (35 ILCS 200/9-40)
    Sec. 9-40. County tax maps; County assessor. In any county with less than 3,000,000 inhabitants which elects a county assessor under Section 3-45, the county assessor shall, except as provided in Section 5-1108 of the Counties Code, prepare and maintain tax maps, up-to-date lists of property owners' names and addresses, and property record cards for all of the property in the county. Those documents shall be prepared and maintained in accordance with rules and procedures prescribed by the Department. The county assessor also shall procure at regular intervals from the records maintained by the recorder information relating to transfers of property. The county assessor shall not duplicate the work of any fulltime township assessor who maintains up-to-date and complete tax maps, ownership lists and property record cards in accordance with rules and procedures prescribed by the Department, but this shall not preclude the maintenance of duplicate copies of those records in the county assessor's office. This Section does not prohibit the preparation and setting up of a property record system (including appraisals) and property record cards as provided for in other Acts, but the system and records shall not be considered to be assessments nor limit the powers and duties of the assessors under this Code. Systems and records or copies of them set up under such other Acts may be maintained by the county assessor in his or her office. In preparing the original tax maps, lists and property record cards, the county assessor shall consult with the Department. The Department shall furnish to that officer supplies and equipment as may, in its judgment, be necessary to set up the original set of maps, lists and records required by this Section.
(Source: P.A. 86-1475; 88-455.)

35 ILCS 200/9-45

    (35 ILCS 200/9-45)
    Sec. 9-45. Property index number system. The county clerk in counties of 3,000,000 or more inhabitants and, subject to the approval of the county board, the chief county assessment officer or recorder, in counties of less than 3,000,000 inhabitants, may establish a property index number system under which property may be listed for purposes of assessment, collection of taxes or automation of the office of the recorder. The system may be adopted in addition to, or instead of, the method of listing by legal description as provided in Section 9-40. The system shall describe property by township, section, block, and parcel or lot, and may cross-reference the street or post office address, if any, and street code number, if any. The county clerk, county treasurer, chief county assessment officer or recorder may establish and maintain cross indexes of numbers assigned under the system with the complete legal description of the properties to which the numbers relate. Index numbers shall be assigned by the county clerk in counties of 3,000,000 or more inhabitants, and, at the direction of the county board in counties with less than 3,000,000 inhabitants, shall be assigned by the chief county assessment officer or recorder. Tax maps of the county clerk, county treasurer or chief county assessment officer shall carry those numbers. The indexes shall be open to public inspection and be made available to the public. Any property index number system established prior to the effective date of this Code shall remain valid. However, in counties with less than 3,000,000 inhabitants, the system may be transferred to another authority upon the approval of the county board.
    Any real property used for a power generating or automotive manufacturing facility located within a county of less than 1,000,000 inhabitants, as to which litigation with respect to its assessed valuation is pending or was pending as of January 1, 1993, may be the subject of a real property tax assessment settlement agreement among the taxpayer and taxing districts in which it is situated. In addition, any real property that is (i) used for natural gas extraction and fractionation or olefin and polymer manufacturing and (ii) located within a county of less than 1,000,000 inhabitants may be the subject of a real property tax assessment settlement agreement among the taxpayer and taxing districts in which the property is situated if litigation is or was pending as to its assessed valuation as of January 1, 2003 or thereafter. Other appropriate authorities, which may include county and State boards or officials, may also be parties to such agreements. Such agreements may include the assessment of the facility or property for any years in dispute as well as for up to 10 years in the future. Such agreements may provide for the settlement of issues relating to the assessed value of the facility and may provide for related payments, refunds, claims, credits against taxes and liabilities in respect to past and future taxes of taxing districts, including any fund created under Section 20-35 of this Act, all implementing the settlement agreement. Any such agreement may provide that parties thereto agree not to challenge assessments as provided in the agreement. An agreement entered into on or after January 1, 1993 may provide for the classification of property that is the subject of the agreement as real or personal during the term of the agreement and thereafter. It may also provide that taxing districts agree to reimburse the taxpayer for amounts paid by the taxpayer in respect to taxes for the real property which is the subject of the agreement to the extent levied by those respective districts, over and above amounts which would be due if the facility were to be assessed as provided in the agreement. Such reimbursement may be provided in the agreement to be made by credit against taxes of the taxpayer. No credits shall be applied against taxes levied with respect to debt service or lease payments of a taxing district. No referendum approval or appropriation shall be required for such an agreement or such credits and any such obligation shall not constitute indebtedness of the taxing district for purposes of any statutory limitation. The county collector shall treat credited amounts as if they had been received by the collector as taxes paid by the taxpayer and as if remitted to the district. A county treasurer who is a party to such an agreement may agree to hold amounts paid in escrow as provided in the agreement for possible use for paying taxes until conditions of the agreement are met and then to apply these amounts as provided in the agreement. No such settlement agreement shall be effective unless it shall have been approved by the court in which such litigation is pending. Any such agreement which has been entered into prior to adoption of this amendatory Act of 1988 and which is contingent upon enactment of authorizing legislation shall be binding and enforceable.
(Source: P.A. 96-609, eff. 8-24-09.)

35 ILCS 200/9-50

    (35 ILCS 200/9-50)
    Sec. 9-50. Maps and plats. The chief county assessment officer may make or purchase maps and plats that will facilitate the business of his or her office. The maps and plats shall always remain in the office, and will be open and accessible to the public.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/9-55

    (35 ILCS 200/9-55)
    Sec. 9-55. Survey by owner. When a property is divided into parcels so that it cannot be described without describing it by metes and bounds, it is the duty of the owner to have the land surveyed and platted into lots. The platting shall be in accord with the Plat Act. The plat shall be certified and recorded. Any unit of local government responsible for issuing building permits may require, by ordinance, that the plat be certified and recorded before the building permit is issued, unless a subdivision plat is not required under subsection (b) of Section 1 of the Plat Act. The description of property, in accordance with the number and description in the plat, shall be a valid description of the property described. However, no plat of a subdivision, vacation or dedication of a tract of land shall be approved by a city, incorporated town or village officer, nor shall any recorder record a plat, unless a statement from the county clerk is endorsed thereon showing that he or she finds no delinquent general taxes, unpaid current general taxes, delinquent special assessments or unpaid current special assessments against the tract of land. No officer of a city, village or incorporated town shall approve the plat of a subdivision of a tract of land until all deferred installments of outstanding unpaid special assessments are either certified as paid by the proper collector, or a division thereof is made in accord with the proposed subdivision and duly approved by the court that confirmed the special assessment.
(Source: P.A. 90-788, eff. 8-14-98.)

35 ILCS 200/9-60

    (35 ILCS 200/9-60)
    Sec. 9-60. (Repealed).
(Source: P.A. 88-455. Repealed by P.A. 95-925, eff. 1-1-09.)

35 ILCS 200/9-65

    (35 ILCS 200/9-65)
    Sec. 9-65. Reassessment after platting. Except as otherwise provided by Section 10-30 with respect to assessments made in counties with less than 3,000,000 inhabitants, whenever acreage property has been subdivided into lots and the subdivision has been recorded, the lots shall be reassessed and placed upon the assessor's books, replacing the acreage property, as of the first day of January immediately following the date of the recording or filing of the subdivision.
(Source: P.A. 83-358; 83-837; 83-1362; 88-455.)

35 ILCS 200/Art. 9 Div. 2

 
    (35 ILCS 200/Art. 9 Div. 2 heading)
Division 2. Assessment authority

35 ILCS 200/9-70

    (35 ILCS 200/9-70)
    Sec. 9-70. Assessment authority. The Department shall assess all pollution control facilities, low sulfur dioxide emission coal fueled devices, and property owned or used by railroad companies operating within this State, except noncarrier real estate. Local assessment officers shall assess all other property not exempted from taxation.
(Source: P.A. 81-838; 88-455.)

35 ILCS 200/9-75

    (35 ILCS 200/9-75)
    Sec. 9-75. Revisions of assessments; Counties of less than 3,000,000. The chief county assessment officer of any county with less than 3,000,000 inhabitants, or the township or multi-township assessor of any township in that county, may in any year revise and correct an assessment as appears to be just. Notice of the revision shall be given in the manner provided in Section 12-10 and 12-30 to the taxpayer whose assessment has been changed.
(Source: P.A. 81-838; 88-455.)

35 ILCS 200/9-80

    (35 ILCS 200/9-80)
    Sec. 9-80. Authority to revise assessments; Counties of less than 3,000,000. The chief county assessment officer in counties with less than 3,000,000 inhabitants shall have the same authority as the township or multi-township assessor to assess and to make changes or alterations in the assessment of property, and shall assess and make such changes or alterations in the assessment of property as though originally made. Changes by the chief county assessment officer in valuations shall be noted in a column provided, and no change shall be made in the original assessor's figures.
    When the chief county assessment officer or his or her deputy views property for the purposes of assessing the property or determining whether a change or alteration in the assessment of the property is required, he or she shall give notice to the township assessor by U.S. Mail at least 5 days but not more than 30 days prior to the viewing, so that the assessor may arrange to be present at the viewing, except if the township or multi-township assessor fails to timely return the assessment books or workbooks as required by Section 9-230. He or she shall also give notice to owners of the properties by means of notices in a paper of general circulation in the township. The notices shall state the chief county assessment officer's intention to view the property but need not specify the date and time of the viewing. When the chief county assessment officer or his or her deputy is present at the property to be viewed, immediately prior to the viewing, he or she shall make a reasonable effort to ascertain if the owner or his or her representative, or the assessor, are on the premises and to inform them of his or her intention to view the property. Failure to provide notice to the township assessor and owner shall not of and by itself invalidate any change in an assessment. A viewing under this Section and Section 9-155 means actual viewing of the visible property in its entirety from, on or at the site of the property.
    All changes and alterations in the assessment of property shall be subject to revision by the board of review in the same manner that original assessments are reviewed.
(Source: P.A. 96-486, eff. 8-14-09.)

35 ILCS 200/9-85

    (35 ILCS 200/9-85)
    Sec. 9-85. Revision of assessments by county assessor and board of review; Counties of 3,000,000 or more. In counties with 3,000,000 or more inhabitants, the county assessor shall have authority annually to revise the assessment books and correct them as appears to be just; and on complaint in writing in proper form by any taxpayer, and after affording the taxpayer an opportunity to be heard thereon, he or she shall do so at any time, until the assessment is verified. An entry upon the assessment books does not constitute an assessment until the assessment is verified. When a notice is to be mailed under Section 12-55 and the address that appears on the assessor's records is the address of a mortgage lender or the trustee, where title to the property is held in a land trust, or in any event whenever the notice is mailed by the assessor to a taxpayer at or in care of the address of a mortgage lender or a trustee where the title to the property is held in a land trust, the mortgage lender or the trustee within 15 days of the mortgage lender's or the trustee's receipt of such notice shall mail a copy of the notice to each mortgagor of the property referred to in the notice at the last known address of each mortgagor as shown on the records of the mortgage lender, or to each beneficiary as shown on the records of the trustee.
    All changes and alterations pursuant to Section 16-95 or Section 16-120 in the assessment of property shall be subject to revision and entry into the assessment books by the board of appeals (until the first Monday in December 1998 and the board of review beginning the first Monday in December 1998 and thereafter) in the same manner as the original assessments.
(Source: P.A. 88-455; 89-126, eff. 7-11-95; 89-671, eff. 8-14-96.)

35 ILCS 200/Art. 9 Div. 3

 
    (35 ILCS 200/Art. 9 Div. 3 heading)
Division 3. Assessment books.

35 ILCS 200/9-90

    (35 ILCS 200/9-90)
    Sec. 9-90. Procuring assessment books. The county clerk shall procure all necessary books and blanks required by this Code to be used in the assessment of property and collection of taxes, at the expense of the county.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/9-95

    (35 ILCS 200/9-95)
    Sec. 9-95. Listing of property. All property subject to taxation under this Code, including property becoming taxable for the first time, shall be listed by the proper legal description in the name of the owner, and assessed at the times and in the manner provided in Sections 9-215 through 9-225, and also in any year that the Department orders a reassessment (to the extent the reassessment is so ordered), with reference to the amount owned on January 1 in the year for which it is assessed, including all property purchased that day. The assessment, as modified or equalized or changed as provided by law, shall be the assessment upon which taxes shall be levied and extended during the general assessment period for which the assessment is made, or during the remainder of that general assessment period for any property reassessed by order of the Department. No assessment shall be considered illegal by reason of not having been listed or assessed in the name of the owner or owners.
(Source: P.A. 85-1221; 86-1481; 88-455.)

35 ILCS 200/9-100

    (35 ILCS 200/9-100)
    Sec. 9-100. Assessment list; Delivery of books. Before January 1 in each year of the general assessment, as provided in Sections 9-215 through 9-225, each county clerk shall make up the list of property to be assessed for taxes for the townships or taxing districts in the county, in books for that purpose. Annually, before January 1, he or she shall make up lists of properties which are taxable, or which become taxable for the first time, and which are not already listed, and make up lists of properties which have been subdivided and not listed by the proper description. The county clerk shall enter in the proper column, opposite the respective parcels, the name of the owner, or other such persons, so far as he is able to ascertain the names. The lists shall contain columns to show the number of acres or lots improved, and the assessed value; the assessed value of improvements; the total value; and other information as may be required. The county clerk shall also have prepared and ready for delivery all blanks necessary in the assessment of property, and shall deliver those blanks to the assessors along with the assessment books or lists. The books or lists may be completed and delivered by townships or taxing districts without waiting for the completion of all the books or lists, but all assessment books or lists shall be delivered by the county clerk to the chief county assessment officer on or before January 1. The books or lists shall be made in duplicate.
(Source: P.A. 86-1481; 88-455.)

35 ILCS 200/9-105

    (35 ILCS 200/9-105)
    Sec. 9-105. Makeup of assessment books by townships. The books for the assessment of property, in counties not under township organization, shall be made up by congressional townships, but parts or fractional townships may be added to full townships, at the discretion of the county board. In counties under township organization, the books shall be made to correspond with the organized townships. Separate books shall be made for the assessment of property and the collection of all taxes and special assessments thereon, within the corporate limits of cities, incorporated towns and villages, if ordered by the county board.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/9-110

    (35 ILCS 200/9-110)
    Sec. 9-110. Railroad assessment book. The county clerk shall procure, at the expense of the county, a record book in a form prescribed by the Department, in which to enter railroad property as listed for taxation, and shall enter the valuations assessed, corrected and equalized in the manner provided by law. The county clerk shall extend all the taxes for which the property is liable against its equalized assessed value. At the time fixed by law for delivering tax books to the county collector, the clerk shall attach a warrant, under his or her seal of office, and deliver the book to the county collector. The county collector shall collect the taxes charged against railroad property, and pay over and account for the taxes in the manner provided in other cases. The book shall be returned by the collector and filed in the office of the county clerk. The taxes on all railroad property shall be extended as on other property, and shall be subject to the same penalties, dates of payment and methods of enforcement as other property taxes.
(Source: Laws 1945, p. 1212; P.A. 88-455.)

35 ILCS 200/9-115

    (35 ILCS 200/9-115)
    Sec. 9-115. Parcels in more than one taxing district. When any property is situated in more than one township or taxing district, or is situated and assessed in any drainage district, for drainage purposes, the portion in each township or taxing district shall be listed separately. The lands in any drainage district shall be listed so as to correspond, as nearly as possible, to the respective subdivisions and descriptions in the latest assessment roll of the drainage district.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/9-120

    (35 ILCS 200/9-120)
    Sec. 9-120. Combined listings. When a whole section, half section, quarter section, or half-quarter section of property, belongs to the same owner, it may, and shall, at the request of the owner or his or her agent, be listed as one tract, and when all lots in the same block belong to the same owner they may, and shall, at the request of the owner or his or her agent, be listed as a block. When several adjoining lots in the same block belong to the same owner, they may, and shall, at the request of the owner or his or her agent, be included in one description. However, this Section shall not apply to property on which delinquent or forfeited taxes are outstanding.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/9-125

    (35 ILCS 200/9-125)
    Sec. 9-125. Verification of assessment lists. The county clerk shall compare the lists of property with the list of taxable property on file in his or her office.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/9-130

    (35 ILCS 200/9-130)
    Sec. 9-130. Delivery of assessment books. The chief county assessment officer shall call upon the county clerk on or before the first day of January in each year and receive the assessment books and blanks as prepared by the county clerk for the assessment of property for that year.
(Source: P.A. 86-678; 88-455.)

35 ILCS 200/9-135

    (35 ILCS 200/9-135)
    Sec. 9-135. Correction of assessment lists. If the assessor or chief county assessment officer finds that any property subject to taxation, or special assessment, has not been returned to him or her by the clerk, or has not been described in the subdivisions or manner required by this Code, he or she shall correct the return of the clerk, and shall list and assess the property in the manner required by law.
    The assessor or chief county assessment officer shall, also, from time to time, make alterations in the description of property as he or she may find necessary. When property has been subdivided since the making of the general assessment, the assessor or chief county assessment officer shall from time to time correct the descriptions so that they correspond to the subdivision, and distribute the assessment in the proper proportions among the parcels into which the land has been subdivided; and in case of a vacation of a subdivision readjust the description of the assessment accordingly.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/9-140

    (35 ILCS 200/9-140)
    Sec. 9-140. Loss or destruction of assessment books. When all or any part of the assessment rolls or collectors' books of any county, or other taxing district are lost or destroyed by any means whatever, a new assessment, or new books, as the case may require, shall be made under the direction of the county board. The board shall, in those cases, fix reasonable times and dates for performing the work of assessment, equalization, levy, extension and collection of taxes, and paying over the same, or making new books, as the circumstances of the case may require. All provisions of this Code apply to the dates fixed by the county board, in the same manner that they apply to the dates for similar purposes, as fixed by this Code. The presiding officer of the county board may select and appoint persons, with the advice and consent of the county board, when he or she finds it necessary, to carry out provisions of this section.
(Source: P.A. 78-1128; 88-455.)

35 ILCS 200/Art. 9 Div. 4

 
    (35 ILCS 200/Art. 9 Div. 4 heading)
Division 4. Valuation procedures

35 ILCS 200/9-145

    (35 ILCS 200/9-145)
    Sec. 9-145. Statutory level of assessment. Except in counties with more than 200,000 inhabitants which classify property for purposes of taxation, property shall be valued as follows:
        (a) Each tract or lot of property shall be valued at
    
33 1/3% of its fair cash value.
        (b) Each taxable leasehold estate shall be valued at
    
33 1/3% of its fair cash value.
        (c) Each building or structure which is located on
    
the right of way of any canal, railroad or other company leased or granted to another company or person for a term of years, shall be valued at 33 1/3% of its fair cash value.
        (d) Any property on which there is a coal or other
    
mine, or stone or other quarry, shall be valued at 33 1/3% of its fair cash value. Oil, gas and other minerals, except coal, shall have value and be assessed separately at 33 1/3% of the fair cash value of such oil, gas and other minerals. Coal shall be assessed separately at 33 1/3% of the coal reserve economic value, as provided in Sections 10-170 through 10-200.
        (e) In the assessment of property encumbered by
    
public easement, any depreciation occasioned by such easement shall be deducted in the valuation of such property. Any property dedicated as a nature preserve or as a nature preserve buffer under the Illinois Natural Areas Preservation Act, for the purposes of this paragraph, is encumbered by a public easement and shall be depreciated for assessment purposes to a level at which its valuation shall be $1 per acre or portion thereof.
    This Section is subject to and modified by Sections 10-110 through 10-140 and 11-5 through 11-65.
(Source: P.A. 91-497, eff. 1-1-00.)

35 ILCS 200/9-150

    (35 ILCS 200/9-150)
    Sec. 9-150. Classification of property. Where property is classified for purposes of taxation in accordance with Section 4 of Article IX of the Constitution and with such other limitations as may be prescribed by law, the classification must be established by ordinance of the county board. If not so established, the classification is void.
(Source: P.A. 78-700; 88-455.)

35 ILCS 200/9-155

    (35 ILCS 200/9-155)
    Sec. 9-155. Valuation in general assessment years. On or before June 1 in each general assessment year in all counties with less than 3,000,000 inhabitants, and as soon as he or she reasonably can in each general assessment year in counties with 3,000,000 or more inhabitants, or if any such county is divided into assessment districts as provided in Sections 9-215 through 9-225, as soon as he or she reasonably can in each general assessment year in those districts, the assessor, in person or by deputy, shall actually view and determine as near as practicable the value of each property listed for taxation as of January 1 of that year, or as provided in Section 9-180, and assess the property at 33 1/3% of its fair cash value, or in accordance with Sections 10-110 through 10-140 and 10-170 through 10-200, or in accordance with a county ordinance adopted under Section 4 of Article IX of the Constitution of Illinois. The assessor or deputy shall set down, in the books furnished for that purpose the assessed valuation of properties in one column, the assessed value of improvements in another, and the total valuation in a separate column.
(Source: P.A. 86-1481; 87-1189; 88-455.)

35 ILCS 200/9-160

    (35 ILCS 200/9-160)
    Sec. 9-160. Valuation in years other than general assessment years. On or before June 1 in each year other than the general assessment year, in all counties with less than 3,000,000 inhabitants, and as soon as he or she reasonably can in counties with 3,000,000 or more inhabitants, the assessor shall list and assess all property which becomes taxable and which is not upon the general assessment, and also make and return a list of all new or added buildings, structures or other improvements of any kind, the value of which had not been previously added to or included in the valuation of the property on which such improvements have been made, specifying the property on which each of the improvements has been made, the kind of improvement and the value which, in his or her opinion, has been added to the property by the improvements. The assessment shall also include or exclude, on a proportionate basis in accordance with the provisions of Section 9-180, all new or added buildings, structures or other improvements, the value of which was not included in the valuation of the property for that year, and all improvements which were destroyed or removed. In case of the destruction or injury by fire, flood, cyclone, storm or otherwise, or removal of any structures of any kind, or of the destruction of or any injury to orchard timber, ornamental trees or groves, the value of which has been included in any former valuation of the property, the assessor shall determine as near as practicable how much the value of the property has been diminished, and make return thereof.
    Beginning January 1, 1996, the authority within a unit of local government that is responsible for issuing building or occupancy permits shall notify the chief county assessment officer, by December 31 of the assessment year, when a full or partial occupancy permit has been issued for a parcel of real property. The chief county assessment officer shall include in the assessment of the property for the current year the proportionate value of new or added improvements on that property from the date the occupancy permit was issued or from the date the new or added improvement was inhabitable and fit for occupancy or for intended customary use until December 31 of that year. If the chief county assessment officer has already certified the books for the year, the board of review or interim board of review shall assess the new or added improvements on a proportionate basis for the year in which the occupancy permit was issued or the new or added improvement was inhabitable and fit for occupancy or for intended customary use. The proportionate value of the new or added improvements may be assessed by the board of review or interim board of review as omitted property pursuant to Sections 9-265, 9-270, 16-50 and 16-140 in a subsequent year on a proportionate basis for the year in which the occupancy permit was issued or the new or added improvement was inhabitable and fit for occupancy or for intended customary use if it was not assessed in that year.
(Source: P.A. 91-486, eff. 1-1-00.)

35 ILCS 200/9-165

    (35 ILCS 200/9-165)
    Sec. 9-165. Definitions. As used in Sections 9-160 and 9-180:
    "Municipality" means a city, village or incorporated town.
    "Governing body" means (a) the corporate authorities of a municipality with respect to territory within its corporate limits and (b) the county board with respect to territory in the county not within the corporate limits of any municipality.
    "Occupancy permit" means the certificate or permit, by whatever name denominated, which a municipality or county, under its authority to regulate the construction of buildings, issues as evidence that all applicable requirements have been complied with and requires before any new, reconstructed or remodeled building may be lawfully occupied.
(Source: P.A. 91-357, eff. 7-29-99; 91-486, eff. 1-1-00.)

35 ILCS 200/9-170

    (35 ILCS 200/9-170)
    Sec. 9-170. (Repealed).
(Source: P.A. 88-455. Repealed by 89-412, eff. 11-17-95.)

35 ILCS 200/9-175

    (35 ILCS 200/9-175)
    Sec. 9-175. Owner on assessment date. The owner of property on January 1 in any year shall be liable for the taxes of that year, except that when coal has been separated from the land by deed or lease, the owner or lessee of the coal shall be liable for the taxes on the coal in the year of first production and each year thereafter until production ceases. Subject to the provisions of Section 20-210 for payment of current taxes on a specified part or undivided share of property, in all cases of property having more than one owner as of January 1 of any year, each owner is liable jointly and severally in any action under Section 21-440 for all taxes of that year.
(Source: P.A. 86-949; 87-818; 88-455.)

35 ILCS 200/9-180

    (35 ILCS 200/9-180)
    Sec. 9-180. Pro-rata valuations; improvements or removal of improvements. The owner of property on January 1 also shall be liable, on a proportionate basis, for the increased taxes occasioned by the construction of new or added buildings, structures or other improvements on the property from the date when the occupancy permit was issued or from the date the new or added improvement was inhabitable and fit for occupancy or for intended customary use to December 31 of that year. The owner of the improved property shall notify the assessor, within 30 days of the issuance of an occupancy permit or within 30 days of completion of the improvements, on a form prescribed by that official, and request that the property be reassessed. The notice shall be sent by certified mail, return receipt requested and shall include the legal description of the property.
    When, during the previous calendar year, any buildings, structures or other improvements on the property were destroyed and rendered uninhabitable or otherwise unfit for occupancy or for customary use by accidental means (excluding destruction resulting from the willful misconduct of the owner of such property), the owner of the property on January 1 shall be entitled, on a proportionate basis, to a diminution of assessed valuation for such period during which the improvements were uninhabitable or unfit for occupancy or for customary use. The owner of property entitled to a diminution of assessed valuation shall, on a form prescribed by the assessor, within 90 days after the destruction of any improvements or, in counties with less than 3,000,000 inhabitants within 90 days after the township or multi-township assessor has mailed the application form as required by Section 9-190, file with the assessor for the decrease of assessed valuation. Upon failure so to do within the 90 day period, no diminution of assessed valuation shall be attributable to the property.
    Computations under this Section shall be on the basis of a year of 365 days.
(Source: P.A. 91-486, eff. 1-1-00.)

35 ILCS 200/9-185

    (35 ILCS 200/9-185)
    Sec. 9-185. Change in use or ownership. The purchaser of property on January 1 shall be considered as the owner on that day. However, when a fee simple title or lesser interest in property is purchased, granted, taken or otherwise transferred for a use exempt from taxation under this Code, that property shall be exempt from taxes from the date of the right of possession, except that property acquired by condemnation is exempt as of the date the condemnation petition is filed. Whenever a fee simple title or lesser interest in property is purchased, granted, taken or otherwise transferred from a use exempt from taxation under this Code to a use not so exempt, that property shall be subject to taxation from the date of purchase or conveyance. It shall be the obligation of the titleholder of record in such cases where there is a change in use or a change in a leasehold estate or, in cases where there has been a purchase, grant, taking or transfer, it is the obligation of the transferee to notify the chief county assessment officer within 30 days of that action. Failure to give the notification, resulting in the assessing official continuing to list the property as exempt in subsequent years, shall cause the property to be considered omitted property for the purpose of this Code. In those cases the county collector is authorized to issue a tax bill to the person holding title to the property in that part of the year during which it was not exempt from taxation for that part of the year and to accept payment of the bill as full and final settlement of tax liability for the year involved.
(Source: P.A. 86-949; 87-818; 88-455.)

35 ILCS 200/9-190

    (35 ILCS 200/9-190)
    Sec. 9-190. Damaged or destroyed property.
    (a) When a property in a county with less than 3,000,000 inhabitants has been destroyed or rendered uninhabitable or otherwise unfit for occupancy or customary use by natural disaster or accidental means, the township assessor shall send to the owner by certified mail an application form for reduction of the assessed valuation of that property as provided in Section 9-180.
    (b) Whenever an official, employee, or other representative of a municipal fire department, fire protection district, volunteer fire protection association, or emergency services and disaster agency of a political subdivision of this State is required by law to make an official report to another government official or agency concerning a natural disaster or accident that is likely to cause real property to have a diminished assessed valuation, that official, employee, or representative shall make a copy of the report available to the property owner on the owner's request and shall insure that the report contains the following notice:
NOTICE TO PROPERTY OWNER
        If your property has been damaged you may be eligible
    
for a decrease in the assessed valuation of your property, which could result in lower property taxes. Contact your local assessor for more information.
    (c) Regardless of whether an official report concerning the natural disaster or accident is issued under subsection (b), the property owner may notify the township assessor of the property's destruction, uninhabitability, or unfitness for occupancy or normal use.
(Source: P.A. 87-818; 88-455; incorporates 88-221; 88-670, eff. 12-2-94.)

35 ILCS 200/9-195

    (35 ILCS 200/9-195)
    (Text of Section WITH the changes made by P.A. 97-1161, which has been held unconstitutional)
    Sec. 9-195. Leasing of exempt property.
    (a) Except as provided in Sections 15-35, 15-55, 15-60, 15-100, 15-103, 15-160, and 15-185, when property which is exempt from taxation is leased to another whose property is not exempt, and the leasing of which does not make the property taxable, the leasehold estate and the appurtenances shall be listed as the property of the lessee thereof, or his or her assignee. Taxes on that property shall be collected in the same manner as on property that is not exempt, and the lessee shall be liable for those taxes. However, no tax lien shall attach to the exempt real estate. The changes made by Public Act 90-562 and by Public Act 91-513 are declaratory of existing law and shall not be construed as a new enactment. The changes made by Public Acts 88-221 and 88-420 that are incorporated into this Section by Public Act 88-670 are declarative of existing law and are not a new enactment.
    (b) The provisions of this Section regarding taxation of leasehold interests in exempt property do not apply to any leasehold interest created pursuant to any transaction described in subsection (e) of Section 15-35, subsection (c-5) of Section 15-60, subsection (b) of Section 15-100, Section 15-103, Section 15-160, or Section 15-185 of this Code or Section 6c of the Downstate Forest Preserve District Act.
(Source: P.A. 99-219, eff. 7-31-15; 99-642, eff. 7-28-16.)
 
    (Text of Section WITHOUT the changes made by P.A. 97-1161, which has been held unconstitutional)
    Sec. 9-195. Leasing of exempt property.
    (a) Except as provided in Sections 15-35, 15-55, 15-60, 15-100, 15-103, and 15-185, when property which is exempt from taxation is leased to another whose property is not exempt, and the leasing of which does not make the property taxable, the leasehold estate and the appurtenances shall be listed as the property of the lessee thereof, or his or her assignee. Taxes on that property shall be collected in the same manner as on property that is not exempt, and the lessee shall be liable for those taxes. However, no tax lien shall attach to the exempt real estate. The changes made by Public Act 90-562 and by Public Act 91-513 are declaratory of existing law and shall not be construed as a new enactment. The changes made by Public Acts 88-221 and 88-420 that are incorporated into this Section by Public Act 88-670 are declarative of existing law and are not a new enactment.
    (b) The provisions of this Section regarding taxation of leasehold interests in exempt property do not apply to any leasehold interest created pursuant to any transaction described in subsection (e) of Section 15-35, subsection (c-5) of Section 15-60, subsection (b) of Section 15-100, Section 15-103, or Section 15-185 of this Code or Section 6c of the Downstate Forest Preserve District Act.
(Source: P.A. 99-219, eff. 7-31-15; 99-642, eff. 7-28-16.)

35 ILCS 200/9-200

    (35 ILCS 200/9-200)
    Sec. 9-200. Previously exempt property. Property that is purchased, granted, taken or otherwise transferred from a use exempt from taxation under this Code to a use not so exempt shall be subject to taxation from the date of change of use, purchase or conveyance. In those cases the county collector may issue a tax bill to the person holding title to the property for that part of the year during which it was not exempt, and may accept payment of the bill as full and final settlement of tax liability for that year.
(Source: P.A. 86-1481; 88-455.)

35 ILCS 200/9-205

    (35 ILCS 200/9-205)
    Sec. 9-205. Equalization. When deemed necessary to equalize assessments between or within townships or between classes of property, or when deemed necessary to raise or lower assessments within a county or any part thereof to the level prescribed by law, changes in individual assessments may be made by a township assessor or chief county assessment officer, under Section 9-75, by application of a percentage increase or decrease to each assessment.
(Source: P.A. 81-1034; 88-455.)

35 ILCS 200/9-210

    (35 ILCS 200/9-210)
    Sec. 9-210. Equalization by chief county assessment officer; counties of less than 3,000,000. The chief county assessment officer in a county with less than 3,000,000 inhabitants shall act as an equalizing authority for each county in which he or she serves. The officer shall examine the assessments in the county and shall equalize the assessments by increasing or reducing the entire assessment of property in the county or any area therein or of any class of property, so that the assessments will be at 33 1/3% of fair cash value. The equalization process and analysis described in this Section shall apply to all property except farm and coal properties assessed under Sections 10-110 through 10-140 and 10-170 through 10-200.
    For each township or assessment district in the county, the supervisor of assessments shall annually determine the percentage relationship between the estimated 33 1/3% of the fair cash value of the property and the assessed valuations at which the property is listed for each township, multi-township or assessment district. To make this analysis, he or she shall use property transfers, property appraisals, and other means as he or she deems proper and reasonable.
    With the ratio determined for each township or assessment district, the supervisor of assessments shall then determine the percentage to be added to or deducted from the aggregate assessments in each township or assessment district, other than property assessed under Sections 10-110 through 10-140 and 10-170 through 10-200, in order to produce a ratio of assessed value to fair cash value of 33 1/3%. That percentage shall be issued as an equalization factor for each township or assessment district within each county served by the chief county assessment officer. The assessment officer shall then change the assessment of each parcel of property by application of the equalization factor.
(Source: P.A. 88-455; 88-670, eff. 12-2-94.)

35 ILCS 200/9-213

    (35 ILCS 200/9-213)
    Sec. 9-213. Explanation of equalization factors. The chief county assessment officer in every county with less than 3,000,000 inhabitants must provide a plain-English explanation of all township, county, and State equalization factors, including the rationale and methods used to determine the equalizations. If a county Internet website exists, this explanation must be published thereon, otherwise it must be available to the public upon request at the office of the chief county assessment officer.
(Source: P.A. 96-122, eff. 1-1-10.)

35 ILCS 200/9-215

    (35 ILCS 200/9-215)
    Sec. 9-215. General assessment years; counties of less than 3,000,000. Except as provided in Sections 9-220 and 9-225, in counties having the township form of government and with less than 3,000,000 inhabitants, the general assessment years shall be 1995 and every fourth year thereafter. In counties having the commission form of government and less than 3,000,000 inhabitants, the general assessment years shall be 1994 and every fourth year thereafter.
(Source: P.A. 86-1481; 87-1189; 88-455.)

35 ILCS 200/9-220

    (35 ILCS 200/9-220)
    Sec. 9-220. Division into assessment districts; assessment years; counties of 3,000,000 or more.
    (a) Notwithstanding any other provision in this Code to the contrary, until January 1, 1996, the county board of a county with 3,000,000 or more inhabitants may by resolution divide the county into any number of assessment districts. If the county is organized into townships, the assessment districts shall follow township lines. The assessment districts shall divide, as near as practicable, the work of assessing the property in the county into equal parts but neither the area nor the number of parcels need be equal in the assessment districts. The resolution shall number the assessment districts and provide for a general reassessment of each district at regular intervals determined by the county board.
    (b) Beginning January 1, 1996, in counties with 3,000,000 or more inhabitants, assessment districts shall be subject to general reassessment according to the following schedule:
        (1) The first assessment district shall be subject to
    
general reassessment in 1997 and every 3 years thereafter.
        (2) The second assessment district shall be subject
    
to general reassessment in 1998 and every 3 years thereafter.
        (3) The third assessment district shall be subject to
    
general reassessment in 1996 and every 3 years thereafter.
    The boundaries of the 3 assessment districts are as follows: (i) the first assessment district shall be that portion of the county located within the boundaries of a municipality with 1,000,000 or more inhabitants, (ii) the second assessment district shall be that portion of the county that lies north of State Route 64 (North Avenue) and outside the boundaries of a municipality with 1,000,000 or more inhabitants, and (iii) the third assessment district shall be that portion of the county that lies south of State Route 64 (North Avenue) and outside the boundaries of a municipality with 1,000,000 or more inhabitants.
(Source: P.A. 88-455; 89-126, eff. 7-11-95.)

35 ILCS 200/9-225

    (35 ILCS 200/9-225)
    Sec. 9-225. Division of county into four assessment districts. Resolutions of any county board dividing the county into four assessment districts, if adopted before January 1, 1990, shall remain valid thereafter unless and until repealed by the county board.
    The county board of any county may, by resolution adopted after January 1, 1992, divide the county into 4 assessment districts. The county clerk shall forward a copy of the resolution to the Department. The assessment districts shall follow township lines if the county is organized into townships, and shall divide, as near as may be, the work of assessing the property in the county into 4 equal parts. Neither the area nor the number of parcels of property need be equal in the 4 assessment districts. The resolution shall number the assessment districts 1 to 4 inclusive. The general assessment years for assessment district number 1 shall be 1992 and every fourth year thereafter; for assessment district number 2, the general assessment years shall be 1993 and every fourth year thereafter; for assessment district number 3, the general assessment years shall be 1994 and every fourth year thereafter; and for assessment district number 4, the general assessment years shall be 1995 and every fourth year thereafter. However, the general assessments shall not include property constituting a farm which is assessed under Sections 10-110 through 10-140. The county board of any county divided into assessment districts under this paragraph may provide by resolution for the assessment of the entire county in the general assessment year provided by law for that county and for the dissolution of the assessment district after the first such assessment.
(Source: P.A. 86-1481; 87-1189; 88-455.)

35 ILCS 200/9-230

    (35 ILCS 200/9-230)
    Sec. 9-230. Return of township or multi-township assessment books.
    (a) The township or multi-township assessors in counties with less than 600,000 inhabitants, based on the 2000 federal decennial census, shall, on or before June 15 of the assessment year, return the assessment books or workbooks to the supervisor of assessments. The township or multi-township assessors in counties with 600,000 or more but no more than 700,000 inhabitants, based on the 2000 federal decennial census, shall, on or before July 15 of the assessment year, return the assessment books or workbooks to the supervisor of assessments. The township or multi-township assessors in counties with less than 3,000,000 inhabitants, but more than 700,000 inhabitants, based on the 2000 federal decennial census, shall, on or before November 15 of the assessment year, return the assessment books or workbooks to the supervisor of assessments. If a township or multi-township assessor in a county with less than 3,000,000 inhabitants, based on the 2000 federal decennial census, does not return the assessment books or work books within the required time, the supervisor of assessments may take possession of the books and complete the assessments pursuant to law. Each of the books shall be verified by affidavit by the assessor substantially as follows:
State of Illinois)
                 )ss.
County of .......)
 
    I do solemnly swear that the book or books .... in number, to which this affidavit is attached, contains a complete list of all of the property in the township or multi-township or assessment district herein described subject to taxation for the year .... so far as I have been able to ascertain, and that the assessed value set down in the proper column opposite the descriptions of property is a just and equal assessment of the property according to law.
    Dated ...............
    (b) If the supervisor of assessments determines that the township or multi-township assessor has not completed the assessments as required by law before returning the assessment books under this Section, the county board may submit a bill to the township board of trustees for the reasonable costs incurred by the supervisor of assessments in completing the assessments. The moneys collected under this subsection may be used by the supervisor of assessments only for the purpose of recouping costs incurred in completing the assessments.
(Source: P.A. 96-486, eff. 8-14-09; 97-797, eff. 1-1-13.)

35 ILCS 200/9-235

    (35 ILCS 200/9-235)
    Sec. 9-235. Failure to complete assessments. If the board of review, in any county under township organization with less than 3,000,000 inhabitants, fails to complete its work for the assessment year by the next January 1, the supervisor of assessments shall issue work books to the township assessors until the board of review completes its work.
(Source: P.A. 85-1253; 88-455.)

35 ILCS 200/9-240

    (35 ILCS 200/9-240)
    Sec. 9-240. Assessment book totals. The assessor and chief county assessment officer shall add up and note the aggregate of each column in the assessment books; and shall also add in each book, under proper headings, a tabular statement, showing the footings of the several columns upon each page; and shall add up and set down the total of each column. When the assessor or chief county assessment officer returns several assessment books, he or she shall, in addition to this tabular statement, return a similar statement showing the totals of all the books.
(Source: P.A. 83-121; 88-455.)

35 ILCS 200/9-245

    (35 ILCS 200/9-245)
    Sec. 9-245. Return of books to board of review; counties of less than 3,000,000. In counties with less than 3,000,000 inhabitants, the chief county assessment officer shall on or before the third Monday in June of the assessment year, or on or before the 90th day following the certification of the final township assessment roll in the county, certified pursuant to Section 9-230 of this Code, whichever is later, return the assessment books to the board of review verified by affidavit, substantially in the following form:
State of Illinois)
                 )ss.
.......... County)
    I,...., chief county assessment officer do solemnly swear that this book contains a correct and full list of all the property subject to taxation in ...., so far as I have been able to ascertain the same; and that the assessed value set down in the column opposite the descriptions of property is a just and equitable assessment under the law, to the best of my knowledge and belief, and that the footings of the columns and the accompanying tabular statement, are correct to the best of my knowledge and belief.
    Dated ..........
(Source: P.A. 99-573, eff. 7-15-16.)

35 ILCS 200/9-250

    (35 ILCS 200/9-250)
    Sec. 9-250. Abstract of assessment by county clerk. Annually, upon receipt of the assessment books from the board of review or board of appeals, each county clerk shall make out and, within 30 days, transmit to the Department, on forms provided or approved by the Department, an abstract of the assessment of property. The values to be given in the abstracts shall be the assessed valuations.
(Source: Laws 1943, vol. 1, p. 1136; P.A. 88-455.)

35 ILCS 200/9-255

    (35 ILCS 200/9-255)
    Sec. 9-255. Statement of incomplete assessments. In case of the failure of any assessor to certify the assessment within the time specified in this Act, each county clerk shall transmit to the Department a statement of the assessment in all the townships or districts from which returns have been received, together with a statement of the amount of taxable property assessed in the defaulting townships or districts for the previous year.
(Source: Laws 1943, vol. 1, p. 1136; P.A. 88-455.)

35 ILCS 200/Art. 9 Div. 5

 
    (35 ILCS 200/Art. 9 Div. 5 heading)
Division 5. Omitted property

35 ILCS 200/9-260

    (35 ILCS 200/9-260)
    Sec. 9-260. Assessment of omitted property; counties of 3,000,000 or more.
    (a) After signing the affidavit, the county assessor shall have power, when directed by the board of appeals (until the first Monday in December 1998 and the board of review beginning the first Monday in December 1998 and thereafter), or on his or her own initiative, subject to the limitations of Sections 9-265 and 9-270, to assess properties which may have been omitted from assessments for the current year and not more than 3 years prior to the current year for which the property was liable to be taxed, and for which the tax has not been paid, but only on notice and an opportunity to be heard in the manner and form required by law, and shall enter the assessments upon the assessment books. Any notice shall include (i) a request that a person receiving the notice who is not the current taxpayer contact the office of the county assessor and explain that the person is not the current taxpayer, which contact may be made on the telephone, in writing, or in person upon receipt of the notice, and (ii) the name, address, and telephone number of the appropriate personnel in the office of the county assessor to whom the response should be made. Any time period for the review of an omitted assessment included in the notice shall be consistent with the time period established by the assessor in accordance with subsection (a) of Section 12-55. No charge for tax of previous years shall be made against any property if (1) the assessor failed to notify the board of review of the omitted assessment in accordance with subsection (a-1) of this Section; (2) the property was last assessed as unimproved, the owner of such property gave notice of subsequent improvements and requested a reassessment as required by Section 9-180, and reassessment of the property was not made within the 16 month period immediately following the receipt of that notice; (3) the owner of the property gave notice as required by Section 9-265; (4) the assessor received a building permit for the property evidencing that new construction had occurred or was occurring on the property but failed to list the improvement on the tax rolls; (5) the assessor received a plat map, plat of survey, ALTA survey, mortgage survey, or other similar document containing the omitted property but failed to list the improvement on the tax rolls; (6) the assessor received a real estate transfer declaration indicating a sale from an exempt property owner to a non-exempt property owner but failed to list the property on the tax rolls; or (7) the property was the subject of an assessment appeal before the assessor or the board of review that had included the intended omitted property as part of the assessment appeal and provided evidence of its market value.
    (a-1) After providing notice and an opportunity to be heard as required by subsection (a) of this Section, the assessor shall render a decision on the omitted assessment, whether or not the omitted assessment was contested, and shall mail a notice of the decision to the taxpayer of record or to the party that contested the omitted assessment. The notice of decision shall contain a statement that the decision may be appealed to the board of review. The decision and all evidence used in the decision shall be transmitted by the assessor to the board of review on or before the dates specified in accordance with Section 16-110.
    (b) Any taxes based on the omitted assessment of a property pursuant to Sections 9-260 through 9-270 and Sections 16-135 and 16-140 shall be prepared and mailed at the same time as the estimated first installment property tax bill for the preceding year (as described in Section 21-30) is prepared and mailed. The omitted assessment tax bill is not due until the date on which the second installment property tax bill for the preceding year becomes due. The omitted assessment tax bill shall be deemed delinquent and shall bear interest beginning on the day after the due date of the second installment (as described in Section 21-25). Any taxes for omitted assessments deemed delinquent after the due date of the second installment tax bill shall bear interest at the rate of 1.5% per month or portion thereof until paid or forfeited (as described in Section 21-25).
    (c) The assessor shall have no power to change the assessment or alter the assessment books in any other manner or for any other purpose so as to change or affect the taxes in that year, except as ordered by the board of appeals (until the first Monday in December 1998 and the board of review beginning the first Monday in December 1998 and thereafter). The county assessor shall make all changes and corrections ordered by the board of appeals (until the first Monday in December 1998 and the board of review beginning the first Monday in December 1998 and thereafter). The county assessor may for the purpose of revision by the board of appeals (until the first Monday in December 1998 and the board of review beginning the first Monday in December 1998 and thereafter) certify the assessment books for any town or taxing district after or when such books are completed.
(Source: P.A. 96-1553, eff. 3-10-11.)

35 ILCS 200/9-265

    (35 ILCS 200/9-265)
    Sec. 9-265. Omitted property; interest; change in exempt use or ownership.
    (a) If any property is omitted in the assessment of any year or years, not to exceed the current assessment year and 3 prior years, so that the taxes, for which the property was liable, have not been paid, or if by reason of defective description or assessment, taxes on any property for any year or years have not been paid, or if any taxes are refunded under subsection (b) of Section 14-5 because the taxes were assessed in the wrong person's name, the property, when discovered, shall be listed and assessed by the board of review or, in counties with 3,000,000 or more inhabitants, by the county assessor either on his or her own initiative or when so directed by the board of appeals or board of review.
    (b) The board of review in counties with less than 3,000,000 inhabitants or the county assessor in counties with 3,000,000 or more inhabitants may develop reasonable procedures for contesting the listing of omitted property under this Division.
    (c) For purposes of this Section, "defective description or assessment" includes a description or assessment which omits all the improvements thereon as a result of which part of the taxes on the total value of the property as improved remain unpaid. In the case of property subject to assessment by the Department, the property shall be listed and assessed by the Department. All such property shall be placed on the assessment and tax books.
    (d) The arrearages of taxes which might have been assessed, with 10% interest thereon for each year or portion thereof from 2 years after the time the first correct tax bill ought to have been received, shall be charged against the property by the county clerk.
    (e) When property or acreage omitted by either incorrect survey or other ministerial assessor error is discovered and the owner has paid its tax bills as received for the year or years of omission of the parcel, then the interest authorized by this Section shall not be chargeable to the owner. However, nothing in this Section shall prevent the collection of the principal amount of back taxes due and owing.
    (f) If any property listed as exempt by the chief county assessment officer has a change in use, a change in leasehold estate, or a change in titleholder of record by purchase, grant, taking or transfer, it shall be the obligation of the transferee to notify the chief county assessment officer in writing within 90 days of the change. If mailed, the notice shall be sent by certified mail, return receipt requested, and shall include the name and address of the taxpayer, the legal description of the property, and the property index number of the property when an index number exists. If notice is provided in person, it shall be provided on a form prescribed by the chief county assessment officer, and the chief county assessment officer shall provide a date stamped copy of the notice. Except as provided in item (6) of subsection (a) of Section 9-260, item (6) of Section 16-135, and item (6) of Section 16-140 of this Code, if the failure to give the notification results in the assessing official continuing to list the property as exempt in subsequent years, the property shall be considered omitted property for purposes of this Code.
    (g) In counties with fewer than 3,000,000 inhabitants, if a chief county assessment officer discovers at any time before judgment that a property has been granted a homestead exemption under Article 15 of this Code to which it was not entitled, the chief county assessment officer may consider the erroneously exempt portion of the property as omitted property under this Section for that taxable year only.
(Source: P.A. 98-615, eff. 6-1-14.)

35 ILCS 200/9-270

    (35 ILCS 200/9-270)
    Sec. 9-270. Omitted property; limitations on assessment. A charge for tax and interest for previous years, as provided in Sections 9-265 or 14-40, shall not be made against any property for years prior to the date of ownership of the person owning the property at the time the liability for the omitted tax was first ascertained. Ownership as used in this section shall be held to refer to bona fide legal and equitable titles or interests acquired for value and without notice of the tax, as may appear by deed, deed of trust, mortgage, certificate of purchase or sale, or other form of contract. No charge for tax of previous years, as provided in Section 9-265, shall be made against any property if (1) the assessor failed to notify the board of review of an omitted assessment in accordance with subsection (a-1) of Section 9-260; (2) the property was last assessed as unimproved, the owner of the property gave notice of subsequent improvements and requested a reassessment as required by Section 9-180, and reassessment of the property was not made within the 16 month period immediately following the receipt of that notice; (3) the owner of the property gave notice as required by Section 9-265; (4) the assessor received a building permit for the property evidencing that new construction had occurred or was occurring on the property but failed to list the improvement on the tax rolls; (5) the assessor received a plat map, plat of survey, ALTA survey, mortgage survey, or other similar document containing the omitted property but failed to list the improvement on the tax rolls; (6) the assessor received a real estate transfer declaration indicating a sale from an exempt property owner to a non-exempt property owner but failed to list the property on the tax rolls; or (7) the property was the subject of an assessment appeal before the assessor or the board of review that had included the intended omitted property as part of the assessment appeal and provided evidence of its market value. The owner of property, if known, assessed under this and the preceding section shall be notified by the county assessor, board of review or Department, as the case may require.
(Source: P.A. 96-1553, eff. 3-10-11.)

35 ILCS 200/9-275

    (35 ILCS 200/9-275)
    Sec. 9-275. Erroneous homestead exemptions.
    (a) For purposes of this Section:
    "Erroneous homestead exemption" means a homestead exemption that was granted for real property in a taxable year if the property was not eligible for that exemption in that taxable year. If the taxpayer receives an erroneous homestead exemption under a single Section of this Code for the same property in multiple years, that exemption is considered a single erroneous homestead exemption for purposes of this Section. However, if the taxpayer receives erroneous homestead exemptions under multiple Sections of this Code for the same property, or if the taxpayer receives erroneous homestead exemptions under the same Section of this Code for multiple properties, then each of those exemptions is considered a separate erroneous homestead exemption for purposes of this Section.
    "Homestead exemption" means an exemption under Section 15-165 (veterans with disabilities), 15-167 (returning veterans), 15-168 (persons with disabilities), 15-169 (standard homestead for veterans with disabilities), 15-170 (senior citizens), 15-172 (senior citizens assessment freeze), 15-175 (general homestead), 15-176 (alternative general homestead), or 15-177 (long-time occupant).
    "Erroneous exemption principal amount" means the total difference between the property taxes actually billed to a property index number and the amount of property taxes that would have been billed but for the erroneous exemption or exemptions.
    "Taxpayer" means the property owner or leasehold owner that erroneously received a homestead exemption upon property.
    (b) Notwithstanding any other provision of law, in counties with 3,000,000 or more inhabitants, the chief county assessment officer shall include the following information with each assessment notice sent in a general assessment year: (1) a list of each homestead exemption available under Article 15 of this Code and a description of the eligibility criteria for that exemption; (2) a list of each homestead exemption applied to the property in the current assessment year; (3) information regarding penalties and interest that may be incurred under this Section if the taxpayer received an erroneous homestead exemption in a previous taxable year; and (4) notice of the 60-day grace period available under this subsection. If, within 60 days after receiving his or her assessment notice, the taxpayer notifies the chief county assessment officer that he or she received an erroneous homestead exemption in a previous taxable year, and if the taxpayer pays the erroneous exemption principal amount, plus interest as provided in subsection (f), then the taxpayer shall not be liable for the penalties provided in subsection (f) with respect to that exemption.
    (c) In counties with 3,000,000 or more inhabitants, when the chief county assessment officer determines that one or more erroneous homestead exemptions was applied to the property, the erroneous exemption principal amount, together with all applicable interest and penalties as provided in subsections (f) and (j), shall constitute a lien in the name of the People of Cook County on the property receiving the erroneous homestead exemption. Upon becoming aware of the existence of one or more erroneous homestead exemptions, the chief county assessment officer shall cause to be served, by both regular mail and certified mail, a notice of discovery as set forth in subsection (c-5). The chief county assessment officer in a county with 3,000,000 or more inhabitants may cause a lien to be recorded against property that (1) is located in the county and (2) received one or more erroneous homestead exemptions if, upon determination of the chief county assessment officer, the taxpayer received: (A) one or 2 erroneous homestead exemptions for real property, including at least one erroneous homestead exemption granted for the property against which the lien is sought, during any of the 3 collection years immediately prior to the current collection year in which the notice of discovery is served; or (B) 3 or more erroneous homestead exemptions for real property, including at least one erroneous homestead exemption granted for the property against which the lien is sought, during any of the 6 collection years immediately prior to the current collection year in which the notice of discovery is served. Prior to recording the lien against the property, the chief county assessment officer shall cause to be served, by both regular mail and certified mail, return receipt requested, on the person to whom the most recent tax bill was mailed and the owner of record, a notice of intent to record a lien against the property. The chief county assessment officer shall cause the notice of intent to record a lien to be served within 3 years from the date on which the notice of discovery was served.
    (c-5) The notice of discovery described in subsection (c) shall: (1) identify, by property index number, the property for which the chief county assessment officer has knowledge indicating the existence of an erroneous homestead exemption; (2) set forth the taxpayer's liability for principal, interest, penalties, and administrative costs including, but not limited to, recording fees described in subsection (f); (3) inform the taxpayer that he or she will be served with a notice of intent to record a lien within 3 years from the date of service of the notice of discovery; (4) inform the taxpayer that he or she may pay the outstanding amount, plus interest, penalties, and administrative costs at any time prior to being served with the notice of intent to record a lien or within 30 days after the notice of intent to record a lien is served; and (5) inform the taxpayer that, if the taxpayer provided notice to the chief county assessment officer as provided in subsection (d-1) of Section 15-175 of this Code, upon submission by the taxpayer of evidence of timely notice and receipt thereof by the chief county assessment officer, the chief county assessment officer will withdraw the notice of discovery and reissue a notice of discovery in compliance with this Section in which the taxpayer is not liable for interest and penalties for the current tax year in which the notice was received.
    For the purposes of this subsection (c-5):
    "Collection year" means the year in which the first and second installment of the current tax year is billed.
    "Current tax year" means the year prior to the collection year.
    (d) The notice of intent to record a lien described in subsection (c) shall: (1) identify, by property index number, the property against which the lien is being sought; (2) identify each specific homestead exemption that was erroneously granted and the year or years in which each exemption was granted; (3) set forth the erroneous exemption principal amount due and the interest amount and any penalty and administrative costs due; (4) inform the taxpayer that he or she may request a hearing within 30 days after service and may appeal the hearing officer's ruling to the circuit court; (5) inform the taxpayer that he or she may pay the erroneous exemption principal amount, plus interest and penalties, within 30 days after service; and (6) inform the taxpayer that, if the lien is recorded against the property, the amount of the lien will be adjusted to include the applicable recording fee and that fees for recording a release of the lien shall be incurred by the taxpayer. A lien shall not be filed pursuant to this Section if the taxpayer pays the erroneous exemption principal amount, plus penalties and interest, within 30 days of service of the notice of intent to record a lien.
    (e) The notice of intent to record a lien shall also include a form that the taxpayer may return to the chief county assessment officer to request a hearing. The taxpayer may request a hearing by returning the form within 30 days after service. The hearing shall be held within 90 days after the taxpayer is served. The chief county assessment officer shall promulgate rules of service and procedure for the hearing. The chief county assessment officer must generally follow rules of evidence and practices that prevail in the county circuit courts, but, because of the nature of these proceedings, the chief county assessment officer is not bound by those rules in all particulars. The chief county assessment officer shall appoint a hearing officer to oversee the hearing. The taxpayer shall be allowed to present evidence to the hearing officer at the hearing. After taking into consideration all the relevant testimony and evidence, the hearing officer shall make an administrative decision on whether the taxpayer was erroneously granted a homestead exemption for the taxable year in question. The taxpayer may appeal the hearing officer's ruling to the circuit court of the county where the property is located as a final administrative decision under the Administrative Review Law.
    (f) A lien against the property imposed under this Section shall be filed with the county recorder of deeds, but may not be filed sooner than 60 days after the notice of intent to record a lien was delivered to the taxpayer if the taxpayer does not request a hearing, or until the conclusion of the hearing and all appeals if the taxpayer does request a hearing. If a lien is filed pursuant to this Section and the taxpayer received one or 2 erroneous homestead exemptions during any of the 3 collection years immediately prior to the current collection year in which the notice of discovery is served, then the erroneous exemption principal amount, plus 10% interest per annum or portion thereof from the date the erroneous exemption principal amount would have become due if properly included in the tax bill, shall be charged against the property by the chief county assessment officer. However, if a lien is filed pursuant to this Section and the taxpayer received 3 or more erroneous homestead exemptions during any of the 6 collection years immediately prior to the current collection year in which the notice of discovery is served, the erroneous exemption principal amount, plus a penalty of 50% of the total amount of the erroneous exemption principal amount for that property and 10% interest per annum or portion thereof from the date the erroneous exemption principal amount would have become due if properly included in the tax bill, shall be charged against the property by the chief county assessment officer. If a lien is filed pursuant to this Section, the taxpayer shall not be liable for interest that accrues between the date the notice of discovery is served and the date the lien is filed. Before recording the lien with the county recorder of deeds, the chief county assessment officer shall adjust the amount of the lien to add administrative costs, including but not limited to the applicable recording fee, to the total lien amount.
    (g) If a person received an erroneous homestead exemption under Section 15-170 and: (1) the person was the spouse, child, grandchild, brother, sister, niece, or nephew of the previous taxpayer; and (2) the person received the property by bequest or inheritance; then the person is not liable for the penalties imposed under this Section for any year or years during which the chief county assessment officer did not require an annual application for the exemption. However, that person is responsible for any interest owed under subsection (f).
    (h) If the erroneous homestead exemption was granted as a result of a clerical error or omission on the part of the chief county assessment officer, and if the taxpayer has paid the tax bills as received for the year in which the error occurred, then the interest and penalties authorized by this Section with respect to that homestead exemption shall not be chargeable to the taxpayer. However, nothing in this Section shall prevent the collection of the erroneous exemption principal amount due and owing.
    (i) A lien under this Section is not valid as to (1) any bona fide purchaser for value without notice of the erroneous homestead exemption whose rights in and to the underlying parcel arose after the erroneous homestead exemption was granted but before the filing of the notice of lien; or (2) any mortgagee, judgment creditor, or other lienor whose rights in and to the underlying parcel arose before the filing of the notice of lien. A title insurance policy for the property that is issued by a title company licensed to do business in the State showing that the property is free and clear of any liens imposed under this Section shall be prima facie evidence that the taxpayer is without notice of the erroneous homestead exemption. Nothing in this Section shall be deemed to impair the rights of subsequent creditors and subsequent purchasers under Section 30 of the Conveyances Act.
    (j) When a lien is filed against the property pursuant to this Section, the chief county assessment officer shall mail a copy of the lien to the person to whom the most recent tax bill was mailed and to the owner of record, and the outstanding liability created by such a lien is due and payable within 30 days after the mailing of the lien by the chief county assessment officer. This liability is deemed delinquent and shall bear interest beginning on the day after the due date at a rate of 1.5% per month or portion thereof. Payment shall be made to the county treasurer. Upon receipt of the full amount due, as determined by the chief county assessment officer, the county treasurer shall distribute the amount paid as provided in subsection (k). Upon presentment by the taxpayer to the chief county assessment officer of proof of payment of the total liability, the chief county assessment officer shall provide in reasonable form a release of the lien. The release of the lien provided shall clearly inform the taxpayer that it is the responsibility of the taxpayer to record the lien release form with the county recorder of deeds and to pay any applicable recording fees.
    (k) The county treasurer shall pay collected erroneous exemption principal amounts, pro rata, to the taxing districts, or their legal successors, that levied upon the subject property in the taxable year or years for which the erroneous homestead exemptions were granted, except as set forth in this Section. The county treasurer shall deposit collected penalties and interest into a special fund established by the county treasurer to offset the costs of administration of the provisions of this Section by the chief county assessment officer's office, as appropriated by the county board. If the costs of administration of this Section exceed the amount of interest and penalties collected in the special fund, the chief county assessor shall be reimbursed by each taxing district or their legal successors for those costs. Such costs shall be paid out of the funds collected by the county treasurer on behalf of each taxing district pursuant to this Section.
    (l) The chief county assessment officer in a county with 3,000,000 or more inhabitants shall establish an amnesty period for all taxpayers owing any tax due to an erroneous homestead exemption granted in a tax year prior to the 2013 tax year. The amnesty period shall begin on the effective date of this amendatory Act of the 98th General Assembly and shall run through December 31, 2013. If, during the amnesty period, the taxpayer pays the entire arrearage of taxes due for tax years prior to 2013, the county clerk shall abate and not seek to collect any interest or penalties that may be applicable and shall not seek civil or criminal prosecution for any taxpayer for tax years prior to 2013. Failure to pay all such taxes due during the amnesty period established under this Section shall invalidate the amnesty period for that taxpayer.
    The chief county assessment officer in a county with 3,000,000 or more inhabitants shall (i) mail notice of the amnesty period with the tax bills for the second installment of taxes for the 2012 assessment year and (ii) as soon as possible after the effective date of this amendatory Act of the 98th General Assembly, publish notice of the amnesty period in a newspaper of general circulation in the county. Notices shall include information on the amnesty period, its purpose, and the method by which to make payment.
    Taxpayers who are a party to any criminal investigation or to any civil or criminal litigation that is pending in any circuit court or appellate court, or in the Supreme Court of this State, for nonpayment, delinquency, or fraud in relation to any property tax imposed by any taxing district located in the State on the effective date of this amendatory Act of the 98th General Assembly may not take advantage of the amnesty period.
    A taxpayer who has claimed 3 or more homestead exemptions in error shall not be eligible for the amnesty period established under this subsection.
(Source: P.A. 98-93, eff. 7-16-13; 98-756, eff. 7-16-14; 98-811, eff. 1-1-15; 98-1143, eff. 1-1-15; 99-143, eff. 7-27-15; 99-851, eff. 8-19-16.)

35 ILCS 200/Art. 10

 
    (35 ILCS 200/Art. 10 heading)
Article 10. Valuation Procedures for Special Properties

35 ILCS 200/Art. 10 Div. 1

 
    (35 ILCS 200/Art. 10 Div. 1 heading)
Division 1. Solar energy systems

35 ILCS 200/10-5

    (35 ILCS 200/10-5)
    Sec. 10-5. Solar energy systems; definitions. It is the policy of this State that the use of solar energy systems should be encouraged because they conserve nonrenewable resources, reduce pollution and promote the health and well-being of the people of this State, and should be valued in relation to these benefits.
    (a) "Solar energy" means radiant energy received from the sun at wave lengths suitable for heat transfer, photosynthetic use, or photovoltaic use.
    (b) "Solar collector" means
        (1) An assembly, structure, or design, including
    
passive elements, used for gathering, concentrating, or absorbing direct and indirect solar energy, specially designed for holding a substantial amount of useful thermal energy and to transfer that energy to a gas, solid, or liquid or to use that energy directly; or
        (2) A mechanism that absorbs solar energy and
    
converts it into electricity; or
        (3) A mechanism or process used for gathering solar
    
energy through wind or thermal gradients; or
        (4) A component used to transfer thermal energy to a
    
gas, solid, or liquid, or to convert it into electricity.
    (c) "Solar storage mechanism" means equipment or elements (such as piping and transfer mechanisms, containers, heat exchangers, or controls thereof, and gases, solids, liquids, or combinations thereof) that are utilized for storing solar energy, gathered by a solar collector, for subsequent use.
    (d) "Solar energy system" means
        (1)(A) A complete assembly, structure, or design of
    
solar collector, or a solar storage mechanism, which uses solar energy for generating electricity or for heating or cooling gases, solids, liquids, or other materials;
        (B) The design, materials, or elements of a system
    
and its maintenance, operation, and labor components, and the necessary components, if any, of supplemental conventional energy systems designed or constructed to interface with a solar energy system; and
        (C) Any legal, financial, or institutional orders,
    
certificates, or mechanisms, including easements, leases, and agreements, required to ensure continued access to solar energy, its source, or its use in a solar energy system, and including monitoring and educational elements of a demonstration project.
        (2) "Solar energy system" does not include
            (A) Distribution equipment that is equally usable
        
in a conventional energy system except for those components of the equipment that are necessary for meeting the requirements of efficient solar energy utilization; and
            (B) Components of a solar energy system that
        
serve structural, insulating, protective, shading, aesthetic, or other non-solar energy utilization purposes, as defined in the regulations of the Department of Commerce and Economic Opportunity.
        (3) The solar energy system shall conform to the
    
standards for those systems established by regulation of the Department of Commerce and Economic Opportunity.
(Source: P.A. 94-793, eff. 5-19-06.)

35 ILCS 200/10-10

    (35 ILCS 200/10-10)
    Sec. 10-10. Valuation of solar energy systems. When a solar energy system has been installed in improvements on any property, the owner of that property is entitled to claim, by filing with the chief county assessment officer, an alternate valuation of those improvements. When a claim for alternate valuation is filed, the chief county assessment officer shall ascertain the value of the improvements as if equipped with a conventional heating or cooling system and the value of the improvements as equipped with the solar energy system. So long as the solar energy system is used in total or part as the means of utilizing solar energy improvements, the alternate valuation computed as the lesser of the two values ascertained under this paragraph shall be applied. When the solar energy system so valued ceases to be used as the means of heating or cooling those improvements, the owner of that property shall within 30 days notify the chief county assessment officer in writing by certified mail.
(Source: P.A. 80-430; 88-455.)

35 ILCS 200/Art. 10 Div. 2

 
    (35 ILCS 200/Art. 10 Div. 2 heading)
Division 2. Residential property

35 ILCS 200/10-15

    (35 ILCS 200/10-15)
    Sec. 10-15. Condominiums and cooperatives. In counties with 200,000 or more inhabitants which classify property, condominiums occupied by the owner as a residence for a minimum of 6 months during the year and created in accordance with the provisions of the "Condominium Property Act", as well as land with improvements owned and operated as a cooperative, shall be assessed on the same basis of assessment as single family residences in such counties.
(Source: P.A. 78-709; 88-455.)

35 ILCS 200/10-20

    (35 ILCS 200/10-20)
    Sec. 10-20. Repairs and maintenance of residential property. Maintenance and repairs to residential property owned and used exclusively for a residential purpose shall not increase the assessed valuation of the property. For purposes of this Section, work shall be deemed repair and maintenance when it (1) does not increase the square footage of improvements and does not materially alter the existing character and condition of the structure but is limited to work performed to prolong the life of the existing improvements or to keep the existing improvements in a well maintained condition; and (2) employs materials, such as those used for roofing or siding, whose value is not greater than the replacement value of the materials being replaced. Maintenance and repairs, as those terms are used in this Section, to property that enhance the overall exterior and interior appearance and quality of a residence by restoring it from a state of disrepair to a standard state of repair do not "materially alter the existing character and condition" of the residence.
(Source: P.A. 90-788, eff. 8-14-98.)

35 ILCS 200/10-23

    (35 ILCS 200/10-23)
    Sec. 10-23. Improvements to residential property; accessibility.
    (a) Accessibility improvements made to residential property shall not increase the assessed valuation of the property for a period of 7 years after the improvements are completed.
    (b) For the purposes of this Section, "accessibility improvement" means a home modification listed under the Home Services Program administered by the Department of Human Services (Part 686 of Title 89 of the Illinois Administrative Code), including, but not limited to the installation of ramps and grab-bars, widening door-ways, and other changes to enhance the independence of a disabled or elderly individual.
(Source: P.A. 99-375, eff. 8-17-15.)

35 ILCS 200/10-25

    (35 ILCS 200/10-25)
    Sec. 10-25. Model homes, townhomes, and condominium units. If the construction of a single family dwelling is completed after December 29, 1986 or the construction of a single family townhome or condominium unit is completed after the effective date of this amendatory Act of 1994, and that dwelling, townhome, or condominium unit is not occupied as a dwelling but is used as a display or demonstration model home, townhome or condominium unit for prospective buyers of the dwelling or of similar homes, townhomes, or condominium units to be built on other property, the assessed value of the property on which the dwelling, townhome, or condominium was constructed shall be the same as the assessed value of the property prior to construction and prior to any change in the zoning classification of the property prior to construction of the dwelling, townhome or condominium unit. The application of this Section shall not be affected if the display or demonstration model home, townhome or condominium unit contains home furnishings, appliances, offices, and office equipment to further sales activities. This Section shall not be applicable if the dwelling, townhome, or condominium unit is occupied as a dwelling or the property on which the dwelling, townhome, or condominium unit is situated is sold or leased for use other than as a display or demonstration model home, townhome, or condominium unit. No property shall be eligible for calculation of its assessed value under this Section for more than a 10-year period. If the dwelling, townhome, or condominium unit becomes ineligible for the alternate valuation, the owner shall within 60 days file with the chief county assessment officer a certificate giving notice of such ineligibility.
    For the purposes of this Section, no corporation, individual, sole proprietor or partnership may have more than a total of 3 model homes, townhomes, or condominium units at the same time within a 3 mile radius. The center point of each radius shall be the display or demonstration model that has been used as such for the longest period of time. The person liable for taxes on property eligible for assessment as provided in this Section shall file a verified application with the chief county assessment officer on or before (i) April 30 of each assessment year for which that assessment is desired in counties with a population of 3,000,000 or more and (ii) December 31 of each assessment year for which that assessment is desired in all other counties. Failure to make a timely filing in any assessment year constitutes a waiver of the right to benefit for that assessment year.
(Source: P.A. 91-347, eff. 1-1-00.)

35 ILCS 200/Art. 10 Div. 3

 
    (35 ILCS 200/Art. 10 Div. 3 heading)
Division 3. Residential developments

35 ILCS 200/10-30

    (35 ILCS 200/10-30)
    Sec. 10-30. Subdivisions; counties of less than 3,000,000.
    (a) In counties with less than 3,000,000 inhabitants, the platting and subdivision of property into separate lots and the development of the subdivided property with streets, sidewalks, curbs, gutters, sewer, water and utility lines shall not increase the assessed valuation of all or any part of the property, if:
        (1) The property is platted and subdivided in
    
accordance with the Plat Act;
        (2) The platting occurs after January 1, 1978;
        (3) At the time of platting the property is in excess
    
of 5 acres; and
        (4) At the time of platting the property is vacant or
    
used as a farm as defined in Section 1-60.
    (b) Except as provided in subsection (c) of this Section, the assessed valuation of property so platted and subdivided shall be determined each year based on the estimated price the property would bring at a fair voluntary sale for use by the buyer for the same purposes for which the property was used when last assessed prior to its platting.
    (c) Upon completion of a habitable structure on any lot of subdivided property, or upon the use of any lot, either alone or in conjunction with any contiguous property, for any business, commercial or residential purpose, or upon the initial sale of any platted lot, including a platted lot which is vacant: (i) the provisions of subsection (b) of this Section shall no longer apply in determining the assessed valuation of the lot, (ii) each lot shall be assessed without regard to any provision of this Section, and (iii) the assessed valuation of the remaining property, when next determined, shall be reduced proportionately to reflect the exclusion of the property that no longer qualifies for valuation under this Section. Holding or offering a platted lot for initial sale shall not constitute a use of the lot for business, commercial or residential purposes unless a habitable structure is situated on the lot or unless the lot is otherwise used for a business, commercial or residential purpose.
    (d) This Section applies before the effective date of this amendatory Act of the 96th General Assembly and then applies again beginning January 1, 2012.
(Source: P.A. 95-135, eff. 1-1-08; 96-480, eff. 8-14-09.)

35 ILCS 200/10-31

    (35 ILCS 200/10-31)
    Sec. 10-31. Subdivisions; counties of less than 3,000,000.
    (a) In counties with less than 3,000,000 inhabitants, the platting and subdivision of property into separate lots and the development of the subdivided property with streets, sidewalks, curbs, gutters, sewer, water and utility lines shall not increase the assessed valuation of all or any part of the property, if:
        (1) The property is platted and subdivided in
    
accordance with the Plat Act;
        (2) The platting occurs after January 1, 1978;
        (3) At the time of platting the property is in excess
    
of 5 acres; and
        (4) At the time of platting or replatting the
    
property is vacant or used as a farm as defined in Section 1-60.
    (b) Except as provided in subsection (c) of this Section, the assessed valuation of property so platted and subdivided shall be determined based on the assessed value assigned to the property when last assessed prior to its last transfer or conveyance. An initial sale of any platted lot, including a lot that is vacant, or a transfer to a holder of a mortgage, as defined in Section 15-1207 of the Code of Civil Procedure, pursuant to a mortgage foreclosure proceeding or pursuant to a transfer in lieu of foreclosure, does not disqualify that lot from the provisions of this subsection (b).
    (c) Upon completion of a habitable structure on any lot of subdivided property, or upon the use of any lot, either alone or in conjunction with any contiguous property, for any business, commercial or residential purpose: (i) the provisions of subsection (b) of this Section shall no longer apply in determining the assessed valuation of the lot, (ii) each lot shall be assessed without regard to any provision of this Section, and (iii) the assessed valuation of the remaining property, when next determined, shall be reduced proportionately to reflect the exclusion of the property that no longer qualifies for valuation under this Section. Holding or offering a platted lot for initial sale shall not constitute a use of the lot for business, commercial or residential purposes unless a habitable structure is situated on the lot or unless the lot is otherwise used for a business, commercial or residential purpose. The replatting of a subdivision or portion of a subdivision does not disqualify the replatted lots from the provisions of subsection (b).
    (d) This Section applies on and after the effective date of this amendatory Act of the 96th General Assembly and through December 31, 2011.
(Source: P.A. 96-480, eff. 8-14-09.)

35 ILCS 200/10-35

    (35 ILCS 200/10-35)
    Sec. 10-35. Subdivision common areas.
    (a) Residential property which is part of a development, but which is individually owned and ownership of which includes the right, by easement, covenant, deed or other interest in property, to the use of any common area for recreational or similar residential purposes shall be assessed at a value which includes the proportional share of the value of that common area or areas.
    Property is used as a "common area or areas" under this Section if it is a lot, parcel, or area, the beneficial use and enjoyment of which is reserved in whole as an appurtenance to the separately owned lots, parcels, or areas within the planned development.
    The common area or areas which are used for recreational or similar residential purposes and which are assessed to a separate owner and are located on separately identified parcels, shall be listed for assessment purposes at $1 per year.
    (b) In counties with 3,000,000 or more inhabitants, any person desiring to establish or to reestablish an assessment of $1 for any parcel on grounds of common area status under this Section shall submit an application for the assessment to the assessor. The application shall be submitted at the time within which other applications for revisions of assessment may be made under Section 14-35 by taxpayers in the township where the parcel is located, and shall be in the form and accompanied by documentation, as the assessor may require.
    (c) If a $1 assessment is established pursuant to the application it may be maintained from year to year so long as the ownership or use of the parcel has not changed. When any change in ownership, use or other relevant fact occurs it shall be the duty of the new owner in cases of change in ownership, or of the current owner in all other cases, to notify the assessor in writing within 30 days of the change. The notice shall be sent by certified mail, return receipt requested, and shall include the name and address of the taxpayer, the legal description of the property, and the permanent index number of the property where such number exists. If the failure to give such notification results in the assessor continuing to assess the property at $1 in subsequent years in error, the property shall be considered omitted property under Section 9-265. Nothing in this Section shall be construed to limit the assessor's authority to annually revise assessments subject to this Section under the procedures of Section 9-85.
    (d) No objection shall be made to the denial of an assessment of $1 under this Section in any court except under Sections 21-175 and 23-5. No person may object to or otherwise challenge the failure of any parcel to receive an assessment of $1 under this Section in any proceeding in any court unless an application for the $1 assessment was made under subsection (b) of this Section.
(Source: P.A. 85-1386; 88-455.)

35 ILCS 200/Art. 10 Div. 4

 
    (35 ILCS 200/Art. 10 Div. 4 heading)
Division 4. Historic residences

35 ILCS 200/10-40

    (35 ILCS 200/10-40)
    Sec. 10-40. Historic Residence Assessment Freeze Law; definitions. This Section and Sections 10-45 through 10-85 may be cited as the Historic Residence Assessment Freeze Law. As used in this Section and Sections 10-45 through 10-85:
        (a) "Director" means the Director of Historic
    
Preservation.
        (b) "Approved county or municipal landmark ordinance"
    
means a county or municipal ordinance approved by the Director.
        (c) "Historic building" means an owner-occupied
    
single family residence or an owner-occupied multi-family residence and the tract, lot or parcel upon which it is located, or a building or buildings owned and operated as a cooperative, if:
            (1) individually listed on the National Register
        
of Historic Places or the Illinois Register of Historic Places;
            (2) individually designated pursuant to an
        
approved county or municipal landmark ordinance; or
            (3) within a district listed on the National
        
Register of Historic Places or designated pursuant to an approved county or municipal landmark ordinance, if the Director determines that the building is of historic significance to the district in which it is located.
    Historic building does not mean an individual unit of a
    
cooperative.
        (d) "Assessment officer" means the chief county
    
assessment officer.
        (e) "Certificate of rehabilitation" means the
    
certificate issued by the Director upon the renovation, restoration, preservation or rehabilitation of an historic building under this Code.
        (f) "Rehabilitation period" means the period of time
    
necessary to renovate, restore, preserve or rehabilitate an historic building as determined by the Director.
        (g) "Standards for rehabilitation" means the
    
Secretary of Interior's standards for rehabilitation as promulgated by the U.S. Department of the Interior.
        (h) "Fair cash value" means the fair cash value of
    
the historic building, determined on the basis of the assessment officer's property record card, representing the value of the property prior to the commencement of rehabilitation without consideration of any reduction reflecting value during the rehabilitation work.
        (i) "Base year valuation" means the fair cash value
    
of the historic building for the year in which the rehabilitation period begins but prior to the commencement of the rehabilitation and does not include any reduction in value during the rehabilitation work.
        (j) "Adjustment in value" means the difference for
    
any year between the then current fair cash value and the base year valuation.
        (k) "Eight-year valuation period" means the 8 years
    
from the date of the issuance of the certificate of rehabilitation.
        (l) "Adjustment valuation period" means the 4 years
    
following the 8 year valuation period.
        (m) "Substantial rehabilitation" means interior or
    
exterior rehabilitation work that preserves the historic building in a manner that significantly improves its condition.
        (n) "Approved local government" means a local
    
government that has been certified by the Director as:
            (1) enforcing appropriate legislation for the
        
designation of historic buildings;
            (2) having established an adequate and qualified
        
historic review commission;
            (3) maintaining a system for the survey and
        
inventory of historic properties;
            (4) providing for adequate public participation
        
in the local historic preservation program; and
            (5) maintaining a system for reviewing
        
applications under this Section in accordance with rules and regulations promulgated by the Director.
        (o) "Cooperative" means a building or buildings and
    
the tract, lot, or parcel on which the building or buildings are located, if the building or buildings are devoted to residential uses by the owners and fee title to the land and building or buildings is owned by a corporation or other legal entity in which the shareholders or other co-owners each also have a long-term proprietary lease or other long-term arrangement of exclusive possession for a specific unit of occupancy space located within the same building or buildings.
        (p) "Owner", in the case of a cooperative, means the
    
Association.
        (q) "Association", in the case of a cooperative,
    
means the entity responsible for the administration of a cooperative, which entity may be incorporated or unincorporated, profit or nonprofit.
        (r) "Owner-occupied single family residence" means a
    
residence in which the title holder of record (i) holds fee simple ownership and (ii) occupies the property as his, her, or their principal residence.
        (s) "Owner-occupied multi-family residence" means
    
residential property comprised of not more than 6 living units in which the title holder of record (i) holds fee simple ownership and (ii) occupies one unit as his, her, or their principal residence. The remaining units may be leased.
    The changes made to this Section by this amendatory Act of the 91st General Assembly are declarative of existing law and shall not be construed as a new enactment.
(Source: P.A. 90-114, eff. 1-1-98; 91-806, eff. 1-1-01.)

35 ILCS 200/10-45

    (35 ILCS 200/10-45)
    Sec. 10-45. Valuation during 8 year valuation period. In furtherance of the policy of encouraging the rehabilitation of historic residences, property certified pursuant to this Historic Residence Assessment Freeze Law shall be eligible for an assessment freeze, as provided in this Section, eliminating from consideration, for assessment purposes, the value added by the rehabilitation and limiting the total valuation to the base year valuation as defined in subsection (i) of Section 10-40. For all property upon which the Director has issued a certificate of rehabilitation, the valuation for purposes of assessment shall not exceed the base year valuation for the entire 8-year valuation period, unless a taxing district elects, under Section 10-85, that the provisions of this Section shall not apply to taxes that are levied by that taxing district. In the event that election is made, the property shall be valued under Section 9-145 or 9-150 for the purpose of extending taxes of that taxing district. The changes made to this Section by this amendatory Act of the 91st General Assembly are declarative of existing law and shall not be construed as a new enactment.
(Source: P.A. 91-806, eff. 1-1-01.)

35 ILCS 200/10-50

    (35 ILCS 200/10-50)
    Sec. 10-50. Valuation after 8 year valuation period. For the 4 years after the expiration of the 8-year valuation period, the valuation for purposes of computing the assessed valuation shall be as follows:
    For the first year, the base year valuation plus 25% of the adjustment in value.
    For the second year, the base year valuation plus 50% of the adjustment in value.
    For the third year, the base year valuation plus 75% of the adjustment in value.
    For the fourth year, the then current fair cash value.
(Source: P.A. 82-1023; 88-455.)

35 ILCS 200/10-55

    (35 ILCS 200/10-55)
    Sec. 10-55. Application process and application period.
    (a) The Director shall receive applications for certificates of rehabilitation in a form and manner provided by him or her by rule. The Director shall promptly notify the assessment officer of receipt of such applications. The rules shall provide that an applicant may request preliminary approval of rehabilitation before the rehabilitation period begins.
    (b) The Director shall approve an application for a certificate of rehabilitation when he or she finds that the restoration, preservation or rehabilitation:
        (1) involves an historic building;
        (2) has a cost, including architectural fees, equal
    
to or greater than 25% of the base year valuation;
        (3) is for a building for which no certificate of
    
rehabilitation has been approved within 4 years after the last year of the adjustment valuation period;
        (4) was or will be done in accordance with the
    
standards for rehabilitation; and
        (5) was or will be a substantial rehabilitation.
    (c) The Director shall determine the length of the rehabilitation period, which shall not exceed 2 years unless the Director finds:
        (1) it is economically unfeasible to complete the
    
rehabilitation in that period; or
        (2) the magnitude of the project is such that a good
    
faith attempt to complete the rehabilitation in that period would not succeed.
    (d) Upon approval of the application, the Director shall issue a certificate of rehabilitation to the applicant and transmit a copy to the assessment officer. The certificate shall identify the rehabilitation period.
    (e) If during the 8-year valuation period and the adjustment valuation period, the Director determines, in accordance with the Illinois Administrative Procedure Act, that an historic building for which a certificate of rehabilitation has been issued has not been the subject of repair, renovation, remodeling or improvement in accordance with the standards for rehabilitation, he or she shall revoke the certificate of rehabilitation by written notice to the taxpayer of record and transmit a copy of the revocation to the assessment officer.
    The provisions in Section 10-40 through 10-85 apply to certified rehabilitation projects for which an application for a certificate of rehabilitation has been filed with the Director within 2 years of the rehabilitation period.
(Source: P.A. 91-357, eff. 7-29-99; 91-806, eff. 1-1-01.)

35 ILCS 200/10-60

    (35 ILCS 200/10-60)
    Sec. 10-60. Certificate of status. It is the duty of the titleholder of record or the owner of the beneficial interest of any historic building which has been issued a certificate of rehabilitation, to file with the chief county assessment officer, on or before January 31 of each year, an affidavit stating whether there has been any change in the ownership or use of such property, the status of the owner-occupant, or, in the case of a cooperative, whether there has been a change in the use of the property or a change in the cooperative form of ownership. If there has been such a change, the nature of this change shall be stated. Failure to file such an affidavit shall, in the discretion of the chief county assessment officer, constitute cause to revoke the certificate of rehabilitation. The chief county assessment officer shall furnish to the owner a form for the affidavit wherein the owner may state whether there has been any change in the ownership or use of the property or the status of the owner. If the chief county assessment officer determines that the historic building is no longer used as an owner-occupied single family residence or an owner-occupied multi-family residence, or that there has been a sale or transfer for value of the historic building other than to the first owner-occupant after the issuance of a certificate of rehabilitation, or that the historic building no longer meets the definition of a cooperative, he or she shall revoke the certificate by written notice to the taxpayer of record, and shall send a copy of that notice to the Department.
(Source: P.A. 89-675, eff. 8-14-96; 90-114, eff. 1-1-98.)

35 ILCS 200/10-65

    (35 ILCS 200/10-65)
    Sec. 10-65. Receipt of applications. An approved local government shall receive applications for certificates of rehabilitation within its corporate boundaries. The decision of the approved local government shall be final unless disapproved by the Director within 30 days of his receipt of the application and local decision.
(Source: P.A. 86-1481; 88-455.)

35 ILCS 200/10-70

    (35 ILCS 200/10-70)
    Sec. 10-70. Computation of valuation.
    (a) Upon receipt of the certificate of rehabilitation, the assessment officer shall determine the base year valuation and shall make a notation on each statement of assessment during the 8-year valuation period and the adjustment valuation period that the valuation of the historic building shall be based upon the issuance of a certificate of rehabilitation.
    (b) Upon revocation of a certificate of rehabilitation, the assessment officer shall compute the assessed valuation of the building on the basis of the then current fair cash value.
    (c) An historic building receiving a certificate of rehabilitation shall not be eligible for the homestead improvement exemption during the 8-year valuation period and adjustment valuation period.
(Source: P.A. 86-1481; 88-455.)

35 ILCS 200/10-75

    (35 ILCS 200/10-75)
    Sec. 10-75. Approval of municipal ordinances. In addition to the powers and duties described elsewhere in this Code, the Director may approve county or municipal ordinances which qualify historic buildings for consideration under this Code. However, no ordinance shall be approved unless it:
        (a) is designed to preserve and rehabilitate
    
buildings of historic significance;
        (b) contains criteria for the designation of
    
landmarks consistent with those established by the U.S. Department of the Interior for the inclusion of places on the National Register of Historic Places; and
        (c) contains criteria for review of demolitions and
    
major alterations.
(Source: P.A. 87-818; 88-455.)

35 ILCS 200/10-80

    (35 ILCS 200/10-80)
    Sec. 10-80. Rules and regulations. The Director may promulgate rules and regulations as may be necessary to administer this Code, including but not limited to provisions that:
        (1) Preclude the issuance of a certificate of
    
rehabilitation for any owner-occupied single family residence, owner-occupied multi-family residence, or cooperative where 30% or more of the dwelling space is new construction outside the existing structure.
        (2) Specify what costs are eligible to meet the 25%
    
minimum specified under subsection (b) of Section 10-55, and make ineligible those costs attributable to new construction outside the existing structure.
    These regulations shall not preclude the issuance of a certificate of rehabilitation for a condominium.
(Source: P.A. 89-675, eff. 8-14-96; 90-114, eff. 1-1-98.)

35 ILCS 200/10-85

    (35 ILCS 200/10-85)
    Sec. 10-85. Election by taxing district to deny special tax treatment. Any taxing district may elect by a majority vote of its governing authority within the first 30 days of each calendar year, upon written notice to the county clerk and the assessment officer, that the provisions of Sections 10-40 through 10-80 shall not apply to taxes that are levied by the taxing district. In the event the Director has issued a certificate of rehabilitation upon a historic building within a taxing district in a year prior to that taxing district's election under this Section or if the rehabilitation period commenced prior to the taxing district's election, the taxing district's election shall have no effect on the property for the 8-year valuation period and the adjustment valuation period.
(Source: P.A. 86-1481; 88-455.)

35 ILCS 200/Art. 10 Div. 5

 
    (35 ILCS 200/Art. 10 Div. 5 heading)
Division 5. Airports and interstate bridges

35 ILCS 200/10-90

    (35 ILCS 200/10-90)
    Sec. 10-90. Property used for airport purposes. In counties with 200,000 or more inhabitants, in addition to valuation as otherwise permitted by law, upon the filing of an application under Section 10-95 by the person liable for the taxes on that property, which is used for airport purposes and has been so used for the 3 years immediately preceding the year when the assessment is made shall be valued on the basis of 33 1/3% of its fair cash value, based upon the price it would bring at a fair, voluntary sale for use by the buyer for airport purposes.
    Property is considered used for airport purposes under this Section if it is devoted primarily to the operation of an airport or restricted landing field approved by the Department of Transportation in accordance with the Illinois Aeronautics Act and is open to the public except as restricted by the Department of Transportation or the Illinois Aeronautics Act.
(Source: P.A. 81-840; 88-455.)

35 ILCS 200/10-95

    (35 ILCS 200/10-95)
    Sec. 10-95. Application process. The person liable for taxes on land used for airport purposes must file a verified application requesting the additional valuation provided for in Section 10-90, with the chief county assessment officer of the county where the land is located, by January 1 of each year for which that valuation is desired. The application shall be in the form prescribed by the Department and contain such information as may reasonably be required to determine whether the applicant meets the requirements of Section 10-90. If the application shows the applicant is entitled to the valuation, the chief county assessment officer shall approve it; otherwise, he or she shall reject the application.
    When an application has been filed with and approved by the chief county assessment officer, he or she shall determine the valuation of the land in two ways as otherwise permitted by law, and as described in Section 10-90, and shall list those valuations separately. The county clerk, in preparing assessment books, lists and blanks under Section 9-100, shall include columns for indicating the approval of an application filed under this Section and for setting out the valuations made as otherwise permitted by law, and under Section 10-90.
(Source: P.A. 77-2783; 88-455.)

35 ILCS 200/10-100

    (35 ILCS 200/10-100)
    Sec. 10-100. Liability for prior year's taxes. The valuation determined under Section 10-90 shall be used for each year for which application is made and approved under Section 10-95. When any portion of the land is no longer used for airport purposes, the person liable for taxes on that portion of the land shall notify the chief county assessment officer, in writing, of that fact, and shall pay to the county treasurer, by the following September 1, the difference between the taxes paid in each of the 3 preceding years as based on a valuation under Section 10-90 and what those taxes for each of those years would have been when based on the valuation as otherwise permitted by law, together with 5% interest. If this difference is not paid by the following September 1, the amount of that difference shall be considered as delinquent taxes under this Code.
(Source: P.A. 77-2783; 88-455.)

35 ILCS 200/10-105

    (35 ILCS 200/10-105)
    Sec. 10-105. Interstate bridges. All bridge structures across any navigable streams forming the boundary line between the State of Illinois and any other State, and not classified as operating property by any railroad operating in this State, shall be assessed by the township or other assessor in the county or township where the structure is located. All provisions relating to the assessment and taxation of property, shall apply to those bridges. The assessor shall give in his or her description the quarter section of property, section of property, township and range in which the bridge is located or terminates in this State, together with the metes and bounds of the ground occupied by the bridge and the approaches to it, from the end on the Illinois shore to the center of the main channel of the stream crossed by the bridge. To obtain the description, the assessor may employ a competent surveyor, and the expense of making the survey and description shall be charged as a tax against the property by the county clerk, on the certificate of the surveyor. One survey of any bridge and approaches made under this Code, shall be deemed sufficient for the purpose of subsequent assessment of the bridge or approaches.
    In default of the payment of any tax assessed against any bridge company, the bridge structure and its approaches that are located within this State, together with the land on which they are located, as described by the assessor, and the franchise belonging thereto, shall be sold for the tax at the same time and in the same manner as other property in the county is sold for delinquent tax. Any county, city, town, school district or other municipal corporation, interested in the collection of the tax levied upon the bridge, may become the purchaser at the sale, or at any sale of the property under judgment recovered upon, or to enforce the collection of the tax; and if the property so sold is not redeemed, may acquire, hold, sell and dispose of the title.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/Art. 10 Div. 6

 
    (35 ILCS 200/Art. 10 Div. 6 heading)
Division 6. Farmland, open space,
and forestry management plan.

35 ILCS 200/10-110

    (35 ILCS 200/10-110)
    Sec. 10-110. Farmland. The equalized assessed value of a farm, as defined in Section 1-60 and if used as a farm for the 2 preceding years, except tracts subject to assessment under Section 10-145, shall be determined as described in Sections 10-115 through 10-140. To assure proper implementation of Sections 10-110 through 10-140, the Department may withhold non-farm multipliers for any county other than a county with more than 3,000,000 inhabitants that classifies property for tax purposes.
(Source: P.A. 92-301, eff. 1-1-02.)

35 ILCS 200/10-115

    (35 ILCS 200/10-115)
    Sec. 10-115. Department guidelines and valuations for farmland. The Department shall issue guidelines and recommendations for the valuation of farmland to achieve equitable assessment within and between counties.
    The Director of Revenue shall appoint a five-person Farmland Assessment Technical Advisory Board, consisting of technical experts from the colleges or schools of agriculture of the State universities and State and federal agricultural agencies, to advise in and provide data and technical information needed for implementation of this Section.
    By May 1 of each year, the Department shall certify to each chief county assessment officer the following, calculated from data provided by the Farmland Technical Advisory Board, on a per acre basis by soil productivity index for harvested cropland, using moving averages for the most recent 5-year period for which data are available:
        (a) gross income, estimated by using yields per acre
    
as assigned to soil productivity indices, the crop mix for each soil productivity index as determined by the College of Agriculture of the University of Illinois and average prices received by farmers for principal crops as published by the Illinois Crop Reporting Service;
        (b) production costs, other than land costs, provided
    
by the College of Agriculture of the University of Illinois;
        (c) net return to land, which shall be the difference
    
between (a) and (b) above;
        (d) a proposed agricultural economic value determined
    
by dividing the net return to land by the moving average of the Federal Land Bank farmland mortgage interest rate as calculated by the Department;
        (e) the equalized assessed value per acre of farmland
    
for each soil productivity index, which shall be 33-1/3% of the agricultural economic value, or the percentage as provided under Section 17-5; but any increase or decrease in the equalized assessed value per acre by soil productivity index shall not exceed 10% from the immediate preceding year's soil productivity index certified assessed value of the median cropped soil; in tax year 2015 only, that 10% limitation shall be reduced by $5 per acre;
        (f) a proposed average equalized assessed value per
    
acre of cropland for each individual county, weighted by the distribution of soils by productivity index in the county; and
        (g) a proposed average equalized assessed value per
    
acre for all farmland in each county, weighted (i) to consider the proportions of all farmland acres in the county which are cropland, permanent pasture, and other farmland, and (ii) to reflect the valuations for those types of land and debasements for slope and erosion as required by Section 10-125.
(Source: P.A. 98-109, eff. 7-25-13.)

35 ILCS 200/10-120

    (35 ILCS 200/10-120)
    Sec. 10-120. County Farmland Assessment Review Committee. A County Farmland Assessment Review Committee (hereafter referred to as the Committee) shall be established in each county to advise the chief county assessment officer on the interpretation and application of the State-certified farmland values, guidelines and the implementation of this Section. The Committee shall consist of 5 members: the chief county assessment officer or his or her designee, the Chairman of the County Board of Review or another member of that Board appointed by the Chairman, and 3 farmers appointed by the Chairman of the County Board. The County Board of each county may fix the compensation of members of the Committee for attendance at meetings of the committee. The chief county assessment officer or designee shall be chairman and shall convene the Committee on or about May 1 of each year. The Committee may solicit public input.
    Each chief county assessment officer shall present annually to the Committee the farmland valuation procedure to be used in that county and the equalized assessed valuations by productivity index to be used for the next assessment year. On or about June 1, the Committee shall hold a public hearing on the equalized assessed values of farmland proposed by the Department and the implementation of the procedures proposed by the chief county assessment officer. If the Committee concurs with the procedures and valuations, the chief county assessment officer shall proceed with the farmland assessment process. If the Committee objects to the procedures or valuations proposed, the Committee shall make alternate recommendations to the Department by August 1. The Department shall rule within 30 days and direct the chief county assessment officer to implement the ruling. The Committee may appeal the Department's ruling to the Property Tax Appeal Board within 30 days. The Property Tax Appeal Board shall be the final authority in any appeal and its decisions under this paragraph shall not be subject to the Administrative Review Law. Appeals by the Committee shall be heard by the Property Tax Appeal Board within 30 days of receipt; a decision must be rendered within 60 days of receipt, and not later than December 31 of the year preceding the assessment year. Appeals by the Committee of any county shall take precedence over all individual taxpayer appeals.
(Source: P.A. 86-954; 88-455.)

35 ILCS 200/10-125

    (35 ILCS 200/10-125)
    Sec. 10-125. Assessment level by type of farmland. Cropland, permanent pasture and other farmland shall be defined according to U.S. Census Bureau definitions in use during that assessment year and assessed in the following way:
        (a) Cropland shall be assessed in accordance with the
    
equalized assessed value of its soil productivity index as certified by the Department and shall be debased to take into account factors including, but not limited to, slope, drainage, ponding, flooding, and field size and shape.
        (b) Permanent pasture shall be assessed at 1/3 of its
    
debased productivity index equalized assessed value as cropland.
        (c) Other farmland shall be assessed at 1/6 of its
    
debased productivity index equalized assessed value as cropland.
        (d) Wasteland shall be assessed on its contributory
    
value to the farmland parcel.
    In no case shall the equalized assessed value of permanent pasture be below 1/3, nor the equalized assessed value of other farmland, except wasteland, be below 1/6, of the equalized assessed value per acre of cropland of the lowest productivity index certified under Section 10-115.
(Source: P.A. 86-954; 88-455.)

35 ILCS 200/10-130

    (35 ILCS 200/10-130)
    Sec. 10-130. Farmland valuation; counties of 3,000,000 or more. In counties with more than 3,000,000 inhabitants, the equalized assessed value per acre of farmland shall be the lesser of either 16% of the fair cash value of the farmland estimated at the price it would bring at a fair, voluntary sale for use by the buyer as a farm as defined in Section 1-60, or 90% of the 1983 average equalized assessed value per acre certified by the Department.
(Source: P.A. 86-954; 88-455.)

35 ILCS 200/10-135

    (35 ILCS 200/10-135)
    Sec. 10-135. Farmland not subject to equalization. The assessed valuation of farmland assessed under Sections 10-110 through 10-130 shall not be subject to equalization by means of State equalization factors. Equalization factors applied by a chief county assessment officer or a Board of Review under Sections 9-205 and 16-60 shall be applied to assessments of farmland only to achieve assessments as required by Sections 10-110 through 10-130.
(Source: P.A. 92-301, eff. 1-1-02.)

35 ILCS 200/10-140

    (35 ILCS 200/10-140)
    Sec. 10-140. Other improvements. Improvements other than the dwelling, appurtenant structures and site, including, but not limited to, roadside stands and buildings used for storing and protecting farm machinery and equipment, for housing livestock or poultry, or for storing feed, grain or any substance that contributes to or is a product of the farm, shall have an equalized assessed value of 33 1/3% of their value, based upon the current use of those buildings and their contribution to the productivity of the farm.
(Source: P.A. 86-954; 88-455.)

35 ILCS 200/10-145

    (35 ILCS 200/10-145)
    Sec. 10-145. Farm dwellings. Each farm dwelling and appurtenant structures and the tract upon which they are immediately situated shall be assessed by the local assessing officials at 33 1/3% of fair cash value except that in counties that classify property for purposes of taxation in accordance with Section 4 of Article IX of the Constitution they shall be assessed at the percentage of fair cash value as required by county ordinance. That assessment shall be subject to equalization by the Department under Sections 17-5 through 17-30.
(Source: P.A. 82-554; 88-455.)

35 ILCS 200/10-147

    (35 ILCS 200/10-147)
    Sec. 10-147. Former farm; open space. Beginning with the 1992 assessment year, the equalized assessed value of any tract of real property that has not been used as a farm for 20 or more consecutive years shall not be determined under Sections 10-110 through 10-140. If no other use is established, the tract shall be considered to be used for open space purposes and its valuation shall be determined under Sections 10-155 through 10-165.
(Source: P.A. 87-1270; 88-455.)

35 ILCS 200/10-150

    (35 ILCS 200/10-150)
    Sec. 10-150. Property under forestry management plan. In counties with less than 3,000,000 inhabitants, any land being managed under a forestry management plan accepted by the Department of Natural Resources under the Illinois Forestry Development Act shall be considered as "other farmland" and shall be valued at 1/6 of its productivity index equalized assessed value as cropland. In counties with more than 3,000,000 inhabitants, any land totalling 15 acres or less for which an approved forestry management plan was in effect on or before December 31, 1985, shall be considered "other farmland". The Department of Natural Resources shall inform the Department and each chief county assessment officer of each parcel of land covered by an approved forestry management plan.
(Source: P.A. 88-455; 89-445, eff. 2-7-96.)

35 ILCS 200/10-152

    (35 ILCS 200/10-152)
    (Section scheduled to be repealed on December 31, 2026)
    Sec. 10-152. Vegetative filter strip assessment.
    (a) In counties with less than 3,000,000 inhabitants, any land (i) that is located between a farm field and an area to be protected, including but not limited to surface water, a stream, a river, or a sinkhole and (ii) that meets the requirements of subsection (b) of this Section shall be considered a "vegetative filter strip" and valued at 1/6th of its productivity index equalized assessed value as cropland. In counties with 3,000,000 or more inhabitants, the land shall be valued at the lesser of either (i) 16% of the fair cash value of the farmland estimated at the price it would bring at a fair, voluntary sale for use by the buyer as a farm as defined in Section 1-60 or (ii) 90% of the 1983 average equalized assessed value per acre certified by the Department of Revenue.
    (b) Vegetative filter strips shall meet the standards and specifications set forth in the Natural Resources Conservation Service Technical Guide and shall contain vegetation that (i) has a dense top growth; (ii) forms a uniform ground cover; (iii) has a heavy fibrous root system; and (iv) tolerates pesticides used in the farm field.
    (c) The county's soil and water conservation district shall assist the taxpayer in completing a uniform certified document as prescribed by the Department of Revenue in cooperation with the Association of Illinois Soil and Water Conservation Districts that certifies (i) that the property meets the requirements established under this Section for vegetative filter strips and (ii) the acreage or square footage of property that qualifies for assessment as a vegetative filter strip. The document shall be filed by the applicant with the Chief County Assessment Officer. The Chief County Assessment Officer shall promulgate rules concerning the filing of the document. The soil and water conservation district shall create a conservation plan for the creation of the filter strip. The plan shall be kept on file in the soil and water conservation district office. Nothing in this Section shall be construed to require any taxpayer to have vegetative filter strips.
    (d) A joint report by the Department of Agriculture and the Department of Natural Resources concerning the effect and impact of vegetative filter strip assessment shall be submitted to the General Assembly by March 1, 2006.
    (e) This Section is repealed on December 31, 2026.
(Source: P.A. 99-560, eff. 1-1-17; 99-916, eff. 12-30-16.)

35 ILCS 200/10-153

    (35 ILCS 200/10-153)
    Sec. 10-153. Non-clear cut assessment. Land that (i) is not located in a unit of local government with a population greater than 500,000, (ii) is located within 15 yards of waters listed by the Department of Natural Resources under Section 5 of the Rivers, Lakes, and Streams Act as navigable, and (iii) has not been clear cut of trees, as defined in Section 29a of the Rivers, Lakes, and Streams Act, shall be valued at 1/12th of its productivity index equalized assessed value as cropland.
(Source: P.A. 91-907, eff. 1-1-01.)

35 ILCS 200/10-155

    (35 ILCS 200/10-155)
    Sec. 10-155. Open space land; valuation. In all counties, in addition to valuation as otherwise permitted by law, land which is used for open space purposes and has been so used for the 3 years immediately preceding the year in which the assessment is made, upon application under Section 10-160, shall be valued on the basis of its fair cash value, estimated at the price it would bring at a fair, voluntary sale for use by the buyer for open space purposes.
    Land is considered used for open space purposes if it is more than 10 acres in area and:
        (a) is actually and exclusively used for maintaining
    
or enhancing natural or scenic resources,
        (b) protects air or streams or water supplies,
        (c) promotes conservation of soil, wetlands, beaches,
    
or marshes, including ground cover or planted perennial grasses, trees and shrubs and other natural perennial growth, and including any body of water, whether man-made or natural,
        (d) conserves landscaped areas, such as public or
    
private golf courses,
        (e) enhances the value to the public of abutting or
    
neighboring parks, forests, wildlife preserves, nature reservations, sanctuaries, or other open spaces, or
        (f) preserves historic sites.
    Land is not considered used for open space purposes if it is used primarily for residential purposes.
    If the land is improved with a water-retention dam that is operated primarily for commercial purposes, the water-retention dam is not considered to be used for open space purposes despite the fact that any resulting man-made lake may be considered to be used for open space purposes under this Section.
(Source: P.A. 95-70, eff. 1-1-08.)

35 ILCS 200/10-160

    (35 ILCS 200/10-160)
    Sec. 10-160. Open space; application process. In counties with 3,000,000 or more inhabitants, the person liable for taxes on land used for open space purposes must file a verified application requesting the additional open space valuation with the chief county assessment officer by January 31 of each year for which that valuation is desired. For taxable years prior to 2011, in counties with less than 3,000,000 inhabitants, the person liable for taxes on land used for open space purposes must file a verified application requesting the additional open space valuation with the chief county assessment officer by January 31 of each year for which that valuation is desired. For taxable year 2011 and thereafter, in counties with less than 3,000,000 inhabitants, the person liable for taxes on land used for open space purposes must file a verified application requesting the additional open space valuation with the chief county assessment officer by June 30 of each year for which that valuation is desired. If the application is not filed by January 31 or June 30, as applicable, the taxpayer waives the right to claim that additional valuation for that year. The application shall be in the form prescribed by the Department and contain information as may reasonably be required to determine whether the applicant meets the requirements of Section 10-155. If the application shows the applicant is entitled to the valuation, the chief county assessment officer shall approve it; otherwise, the application shall be rejected.
    When such an application has been filed with and approved by the chief county assessment officer, he or she shall determine the valuation of the land as otherwise permitted by law and as required under Section 10-155, and shall list those valuations separately. The county clerk, in preparing assessment books, lists and blanks under Section 9-100, shall include therein columns for indicating the approval of an application and for setting out the two separate valuations.
(Source: P.A. 97-296, eff. 8-11-11.)

35 ILCS 200/10-165

    (35 ILCS 200/10-165)
    Sec. 10-165. Land no longer used for open space. When any portion of the land described in any application filed under Section 10-160 is no longer used for open space purposes, the person liable for taxes on that land must notify the chief county assessment officer, in writing.
    The person shall pay to the county treasurer, by the following September 1, the difference between the taxes paid in the 3 preceding years as based on a valuation under Section 10-155 and what the taxes for those years would have been when based on the valuation as otherwise permitted by law, together with 5% interest. If this difference is not paid by the following September 1, the amount of that difference shall be considered as delinquent taxes.
(Source: P.A. 80-1364; 88-455.)

35 ILCS 200/10-166

    (35 ILCS 200/10-166)
    Sec. 10-166. Registered land or land encumbered by conservation rights; valuation. Except in counties with more than 200,000 inhabitants that classify property for the purpose of taxation, to the extent any portion of any lot, parcel, or tract of land is (i) registered in perpetuity under Section 16 of the Illinois Natural Areas Preservation Act, or (ii) encumbered in perpetuity by a conservation right, as defined in the Real Property Conservation Rights Act, if the conservation right has been conveyed and accepted in accordance with Section 2 of the Real Property Conservation Rights Act, recorded under Section 5 of that Act, and yields a public benefit as defined in Section 10-167 of this Act, upon application under Section 10-168, the portion of the lot, parcel, or tract of land registered or encumbered shall be valued at 8-1/3% of its fair market value estimated as if it were not registered or encumbered; and any improvement, dwelling, or other appurtenant structure present on any registered or encumbered portion of land shall be valued at 33-1/3% of its fair market value. Beginning with the 1995 tax year in counties with more than 200,000 inhabitants that classify property for the purpose of taxation, to the extent any portion of a lot, parcel, or tract of land is (i) registered in perpetuity under Section 16 of the Illinois Natural Areas Preservation Act or (ii) encumbered in perpetuity by a conservation right, as defined in the Real Property Conservation Rights Act, if the conservation right has been conveyed and accepted in accordance with Section 2 of the Real Property Conservation Rights Act, recorded under Section 5 of that Act, and yields a public benefit as defined in Section 10-167 of this Code, upon application under Section 10-168, the portion of the lot, parcel, or tract of land registered or encumbered shall be valued at 25% of that percentage of its fair market value established under this Code, by an ordinance adopted under Section 4 of Article IX of the Illinois Constitution, or both, as the case may be; and any improvement, dwelling, or other appurtenant structure present on any registered or encumbered portion of the land shall be valued at that percentage of fair market value established under this Code, by an ordinance adopted under Section 4 of Article IX of the Illinois Constitution, or both, as the case may be. To qualify for valuation under this Section, the registration agreement or conservation right establishing an encumbrance shall prohibit the construction of any other structure on the registered or encumbered land except replacement structures, no larger than the previous structures which are replaced, that do not interfere with or destroy the registration or conservation right.
    The valuation provided for in this Section shall not apply to any land that has been valued as open space land under Section 10-155.
(Source: P.A. 88-657, eff. 1-1-95.)

35 ILCS 200/10-167

    (35 ILCS 200/10-167)
    Sec. 10-167. Definition of public benefit; certification.
    (a) A conservation right on land shall be considered to provide a demonstrated public benefit if the Department of Natural Resources certifies that it protects in perpetuity at least one of the following:
        (1) Land providing a regular opportunity for public
    
access to outdoor recreation or outdoor education.
        (2) Land preserving habitat for State or federal
    
endangered or threatened species or federal candidate species as defined in the Code of Federal Regulations (50 CFR 424.02).
        (3) Land identified in the Illinois Natural Areas
    
Inventory.
        (4) Land determined to be eligible for registration
    
under Section 16 of the Illinois Natural Areas Preservation Act.
        (5) Land contributing to the ecological viability of
    
a park, conservation area, nature preserve, or other high quality native terrestrial or aquatic area that is publicly owned or otherwise protected.
        (6) Land included in, or consistent with a federal,
    
State, regional, or local government policy or plan for the conservation of wildlife habitat or open space, for the restoration or protection of lakes and streams, or for the protection of scenic areas.
    (b) The person liable for taxes on the land shall submit an application to the Department of Natural Resources requesting certification that the land meets one of the criteria established in subsection (a). The application shall be in a form furnished by the Department of Natural Resources. Within 30 days of receipt of a complete and correct application for certification, the Department of Natural Resources shall determine whether the land encumbered by a conservation right provides a demonstrated public benefit and shall inform the applicant in writing of the decision.
(Source: P.A. 91-357, eff. 7-29-99.)

35 ILCS 200/10-168

    (35 ILCS 200/10-168)
    Sec. 10-168. Valuation of registered land or land encumbered by conservation rights; application process.
    (a) The person liable for taxes on land eligible for assessment under Section 10-166 must file a verified application requesting the registered land or conservation rights valuation with the chief county assessment officer by January 31 of the first year that the valuation is desired. If the application is not filed by January 31, the taxpayer waives the right to claim that valuation for that year. The application shall be in the form prescribed by the Department and shall contain information as may reasonably be required to determine whether the applicant meets the requirements of Section 10-166. If the application shows the applicant is entitled to the valuation, the chief county assessment officer shall approve it and maintain that valuation until notified as provided in Section 10-169. Otherwise, the application shall be rejected. The application shall be accompanied by the certification provided for in Section 10-167, if required.
    (b) When the application has been filed with and approved by the chief county assessment officer, he or she shall determine the valuation of the land as otherwise permitted by law and as required under Section 10-166, and shall keep a record of that valuation.
(Source: P.A. 88-657, eff. 1-1-95.)

35 ILCS 200/10-169

    (35 ILCS 200/10-169)
    Sec. 10-169. Land no longer registered or encumbered by conservation rights.
    (a) In the event the registration agreement or conservation right by which a portion of land has been valued under Section 10-166 is released or amended and for purposes of a conservation right has the effect of substantially diminishing the public benefit, the person liable for taxes on the land shall notify the chief county assessment officer in writing by certified mail within 30 days after the release or amendment. The person liable for taxes on the land that is no longer registered or encumbered by the conservation right shall pay the county collector, by the following September 1, the difference between the taxes paid in the 10 preceding years or, in the event the reduced valuation has been in effect for less than 10 preceding years, the difference between the taxes for the years the reduced valuation has been in effect as based on a valuation under Section 10-166 and what the taxes for those years would have been when based on the valuation as otherwise permitted by this Code, by ordinance adopted under Section 4 of Article IX of the Illinois Constitution, or both, as the case may be, together with 10% interest. If the difference is not paid by the following September 1, the amount of that difference shall be considered as delinquent taxes. In the event the person liable for taxes on the land fails to notify the chief county assessment officer in writing by certified mail within 30 days after the release or amendment of the conservation rights, the property shall be treated as omitted property under the provisions of this Code.
    (b) Subsection (a) shall not apply if:
        (1) the registration agreement or conservation right
    
is released, terminated, or extinguished pursuant to an acquisition by eminent domain of the land registered or encumbered by the conservation right, provided that for purposes of a conservation right the compensation for the conservation right is paid to the grantee of the conservation right; or
        (2) the registration agreement or conservation right
    
is released, terminated, or extinguished in an involuntary judicial proceeding, provided that for purposes of a conservation right all of the proceeds from a sale, exchange, or involuntary conversion of the conservation right are paid to the grantee of the conservation right; or
        (3) the conservation right is released, terminated,
    
or extinguished by the grantee of the conservation right without the consent of the owner of the property encumbered by the conservation right, provided that the owner of the encumbered property subsequently conveys or, in good faith and in cooperation with the Department of Natural Resources, attempts to convey a new conservation right that encumbers the same property and qualifies for valuation under Section 10-166 within 12 months of the release, termination, or extinguishment of the prior conservation right.
(Source: P.A. 88-657, eff. 1-1-95; 89-445, eff. 2-7-96.)

35 ILCS 200/Art. 10 Div. 7

 
    (35 ILCS 200/Art. 10 Div. 7 heading)
Division 7. Coal

35 ILCS 200/10-170

    (35 ILCS 200/10-170)
    Sec. 10-170. Valuation of coal. The equalized assessed value of each tract of real property constituting coal shall be determined under Sections 10-175 through 10-200.
(Source: P.A. 85-1359; 88-455.)

35 ILCS 200/10-175

    (35 ILCS 200/10-175)
    Sec. 10-175. Undeveloped coal. All undeveloped coal in property on which there has been no mining during the year immediately preceding the assessment date shall for the purposes of this Code have an undeveloped coal reserve economic value of no more than $75 per acre. There shall be no per acre undeveloped coal reserve economic value for persons not in the business of mining who have not severed the coal from the land by deed or lease.
(Source: P.A. 85-1359; 88-455.)

35 ILCS 200/10-180

    (35 ILCS 200/10-180)
    Sec. 10-180. Developed coal. Developed coal shall be assessed at 33 1/3% of the developed coal reserve economic value determined as follows:
    Developed Coal Reserve Economic Value equals the present value of the anticipated net income from the property during the life used to determine the developed coal.
    (a) The interest rate to be used for determining present value shall be the arithmetic average prime interest rate quoted by the 4 largest United States banks as measured by total assets located within the Chicago metropolitan statistical area as defined by the United States Department of Commerce as of the current assessment date and the 2 preceding assessment dates, plus 3%.
    (b) Net income means 4% of the average spot market price for Illinois coal as published in a recognized publication prescribed by the Department, as of the current assessment date and the 2 preceding assessment dates, multiplied by the number of recoverable tons per acre.
    (c) Recoverable coal tons per acre equals 1,742 tons per foot acre multiplied by seam thickness, and then multiplied by the recovery ratio.
    (d) Coal seam thickness means the average thickness of the coal seam or seams where coal is initially extracted.
    (e) Recovery ratio means the lesser of 80% for coal extracted by surface mining methods and 50% for coal extracted by underground mining methods or the actual historical recovery ratio for the mining operation.
    (f) The total assessed value of developed coal shall be attributed equally to the coal acreage that is anticipated to be mined.
    (g) Change in the per acre assessed value of coal shall not exceed 10% in any one year except when a change of acreage classification occurs.
(Source: P.A. 85-1359; 88-455.)

35 ILCS 200/10-185

    (35 ILCS 200/10-185)
    Sec. 10-185. Prorated assessment. When initial mining commences after the assessment date, or when all mining ceases prior to the end of a calendar year, the coal as assessed pursuant to Section 10-180 shall be assessed on a proportionate basis in accordance with Section 9-180. For purposes of this Section any permitted acreage that is to be mined during the current year which is not included in the anticipated 5 year mine acreage due to a change in the mining plan shall not be subject to assessment on a proportionate basis in accordance with Section 9-180.
(Source: P.A. 85-1359; 88-455.)

35 ILCS 200/10-190

    (35 ILCS 200/10-190)
    Sec. 10-190. Cessation of mining. When mining has taken place during the year immediately preceding the assessment date, but has completely ceased as of the assessment date, all remaining unmined coal shall be valued pursuant to Section 10-175.
(Source: P.A. 85-1359; 88-455.)

35 ILCS 200/10-195

    (35 ILCS 200/10-195)
    Sec. 10-195. Incremental assessment. Coal assessed under Sections 10-180 and 10-185 shall be added to the tax roll in the following increments as determined by the assessment date:
        1993 - 70% of the assessed value
        1994 - 80% of the assessed value
        1995 - 90% of the assessed value
        1996 and thereafter - 100% of the assessed value
    Coal assessments, including assessments based on the value of coal, that were in effect January 1, 1986 shall be reduced to the undeveloped coal reserve economic assessed value per acre under Section 10-175 in annual increments as follows:
        1993 - 30% of the 1986 unequalized assessed value
        1994 - 20% of the 1986 unequalized assessed value
        1995 - 10% of the 1986 unequalized assessed value
        1996 and thereafter - the undeveloped coal reserve
        
economic assessed value
(Source: P.A. 85-1359; 88-455.)

35 ILCS 200/10-200

    (35 ILCS 200/10-200)
    Sec. 10-200. Coal not subject to State equalization. Except as provided in this Section, the assessed valuation of coal assessed under Sections 10-170 through 10-195 shall not be subject to equalization by means of State equalization factors or State multipliers. Equalization factors applied by a chief county assessment officer or a Board of Review pursuant to Sections 9-205 and 16-65 shall be applied to assessments of coal only to achieve assessments as required by Sections 10-170 through 10-195.
(Source: P.A. 85-1359; 88-455.)

35 ILCS 200/Art. 10 Div. 8

 
    (35 ILCS 200/Art. 10 Div. 8 heading)
Division 8. Sports stadiums

35 ILCS 200/10-205

    (35 ILCS 200/10-205)
    Sec. 10-205. Sports stadium property. For purposes of the property tax laws of this State, qualified property in municipalities with more than 2,000,000 inhabitants shall be classified and valued as set forth in Sections 10-210 through 10-220 during the period beginning July 1, 1989, and ending with the year 22 years after the base year.
(Source: P.A. 86-110; 88-455.)

35 ILCS 200/10-210

    (35 ILCS 200/10-210)
    Sec. 10-210. Definitions. For purposes of Sections 10-205, 10-215, and 10-220:
    (a) "Base year" means the first tax year after the tax year in which construction of the new stadium is completed.
    (b) "Tax year" means the calendar year for which assessed value is determined as of January 1 of that year.
    (c) "Base period" means the calendar year immediately preceding the tax year.
    (d) "Interest" for the base period means the annual interest that would accrue on a principal amount equal to 100% of all costs (including construction period interest actually incurred) incurred with respect to the acquisition, construction or improvement of property described in subsection (a) of Section 10-215 through the end of the base period, if the interest rate were equal to the average, compounded quarterly, of the corporate base rate reported as in effect on the first business day of each month of the base period by the largest bank (measured by assets) with its head office located in Chicago, Illinois.
    (e) "Income taxes" for the base period shall mean federal and State income taxes computed by multiplying the taxable income from the property by the lower of (1) the highest tax rates applicable to individuals or (2) the highest tax rates applicable to corporations.
(Source: P.A. 86-110; 88-455.)

35 ILCS 200/10-215

    (35 ILCS 200/10-215)
    Sec. 10-215. Qualified property. Qualified property means:
    (a) a new stadium having a seating capacity in excess of 18,000 and less than 28,000 which is constructed primarily for the purpose of holding professional sports and amusement events and construction of which is commenced after July 1, 1989, or any parking lot or parking garage for participants, spectators or staff which is acquired, constructed or improved at any time primarily for use in connection with the stadium, or any property on which the stadium, lot or garage is located;
    (b) property that would qualify as property described in subsection (a) of this Section, except that construction of the new stadium is not completed by the first day of the tax year; or
    (c) any parking lot or parking garage that is located within 3,000 feet of property described in subsection (a) of this Section, that is used primarily in connection with any existing stadium or with property described in subsection (a) of this Section, and that was employed for those uses prior to July 1, 1989, or any property on which the lot or garage is located.
(Source: P.A. 86-110; 88-455.)

35 ILCS 200/10-220

    (35 ILCS 200/10-220)
    Sec. 10-220. Valuation.
    (a) For the base year and subsequent tax years, property described in subsection (a) of Section 10-215 shall be classified so that it is valued in relation to 20% of the property's fair cash value. The fair cash value of the property shall be equal to 4 times the annual net income (revenues net of all expenses, including interest, income taxes, and all property maintenance or replacement expenditures whether or not capital in nature, but not including depreciation) actually earned by its owners from the property during the base period.
    (b) For any tax year prior to the base year, property described in subsections (b) and (c) of Section 10-215 shall be classified and valued so that the fair cash value of the property does not exceed the fair cash value of the property for the 1989 tax year, as adjusted by the percentage increase in valuation of all property in the municipality between 1989 and the tax year.
    (c) The fair cash value of property described in Section 10-215 shall be determined as specified in this Section and without taking into account (1) the planned or actual construction and improvement of property described in subsection (a) of Section 10-215, or (2) any acquisition, replacement or resale values or alternative uses assumed or imputed in contemplation or in consequence of such planned or actual construction and improvement.
    (d) Notwithstanding any other provision of this Section, including subsection (c), the aggregate of all property taxes payable on the property described in Section 10-215 shall not be less than:
        (1) for any tax year prior to the base year, the
    
aggregate property taxes payable on such property for the 1988 tax year;
        (2) for the base year, $600,000;
        (3) for the first tax year following the base year,
    
$735,000;
        (4) for the second tax year following the base year,
    
$870,000;
        (5) for the third tax year following the base year
    
and for each tax year thereafter, $1,000,000.
(Source: P.A. 86-110; 88-455.)

35 ILCS 200/10-223

    (35 ILCS 200/10-223)
    Sec. 10-223. Former farm; open space. Beginning with the 1992 assessment year, the equalized assessed value of any tract of real property that has not been used as a farm for 20 or more consecutive years shall not be determined under Sections 10-110 through 10-140. If no other use is established, the tract shall be considered to be used for open space purposes and its valuation shall be determined under Sections 10-155 through 10-165.
(Source: P.A. 87-1270; incorporates 88-45; 88-670, eff. 12-2-94.)

35 ILCS 200/Art. 10 Div. 9

 
    (35 ILCS 200/Art. 10 Div. 9 heading)
Division 9. Nurseries

35 ILCS 200/10-225

    (35 ILCS 200/10-225)
    Sec. 10-225. Stock of nurseries. The stock of nurseries, when growing, shall be assessed as property and when severed shall be considered merchandise.
(Source: Laws 1941, vol. 1, p. 1062; P.A. 88-455.)

35 ILCS 200/Art. 10 Div. 10

 
    (35 ILCS 200/Art. 10 Div. 10 heading)
DIVISION 10. ELECTRIC POWER GENERATING STATIONS

35 ILCS 200/10-230

    (35 ILCS 200/10-230)
    Sec. 10-230. Creation of task force; 1997 through 1999 property assessments of certain utility property.
    (a) This Section establishes an Electric Utility Property Assessment Task Force to advise the General Assembly with respect to the possible impact of the Electric Service Customer Choice and Rate Relief Law of 1997 on the valuation of the real property component of electric generating stations owned by electric utilities and, therefore, on the taxing districts in this State in which electric generating stations are located.
    (b) There shall be established and appointed in accordance with this Section an Electric Utility Property Assessment Task Force. Such Task Force shall be chaired by the President of the Taxpayers' Federation of Illinois, who shall be a non-voting member of the Task Force. The Task Force shall be composed of 10 voting members, 6 of whom shall be representatives of taxing districts in which electric generating stations are located and 4 of whom shall be representatives of electric utilities in this State, at least one of whom shall be from an electric utility serving over 1,000,000 retail customers in this State and at least one of whom shall be from an electric utility serving over 500,000 but less than 1,000,000 retail customers in this State.
    (c) The voting members of this Task Force shall be appointed as follows: (i) 3 of the voting members, one of whom shall be from an electric utility, shall be appointed by the President of the Senate; (ii) 3 of the voting members, one of whom shall be from an electric utility, shall be appointed by the Speaker of the House of Representatives; (iii) 2 of the voting members, one of whom shall be from an electric utility, shall be appointed by the Minority Leader of the Senate; and (iv) 2 of the voting members, one of whom shall be from an electric utility, shall be appointed by the Minority Leader of the House of Representatives. Such appointments shall be made within 30 days after the effective date of this amendatory Act of 1997. Members of the Task Force shall receive no compensation for their services but shall be entitled to reimbursement of reasonable expenses incurred while performing their duties.
    (d) The Task Force shall submit a report to the General Assembly by January 1, 1999 which shall: (i) analyze whether, and to what extent, taxing districts throughout this State will experience significant sustained erosions of their property tax bases and property tax revenues as a result of the restructuring of the electric industry in this State; and (ii) make recommendations for legislative changes to address any such impacts.
    (e) Beginning with the 1997 assessment year through the assessment year of 1999, the fair cash value of any electric power generating plant owned as of November 1, 1997, by an electric utility, as that term is defined in Section 16-102 of the Public Utilities Act, shall be determined using original cost less depreciation of the electric power generating plant. When determining original cost less depreciation, including the original cost less depreciation of all new construction, the rate or rates of depreciation applied shall be the same as the rate or rates in effect November 1, 1997, under the Public Utilities Act and the rules and orders of the Illinois Commerce Commission, irrespective of any change in ownership of the property occurring after the effective date of the provisions of the Electric Service Customer Choice and Rate Relief Law of 1997. Nothing in this subsection shall be construed to affect the classification of property as real or personal. Determinations of original cost less depreciation for purposes of this subsection shall be made without regard for the use of any accelerated cost recovery method including accelerated depreciation, accelerated amortization or other capital recovery methods, or reductions to original cost of an electric power generating plant made as a result of the provisions of Senate Amendment No. 2 to House Bill 362, enacted by the 90th General Assembly.
(Source: P.A. 90-562, eff. 12-16-97.)

35 ILCS 200/Art. 10 Div. 11

 
    (35 ILCS 200/Art. 10 Div. 11 heading)
DIVISION 11. LOW-INCOME HOUSING

35 ILCS 200/10-235

    (35 ILCS 200/10-235)
    Sec. 10-235. Low-income housing project valuation policy; intent. It is the policy of this State that low-income housing projects developed under Section 515 of the federal Housing Act or that qualify for the low-income housing tax credit under Section 42 of the Internal Revenue Code shall be valued at 33 and one-third percent of the fair market value of their economic productivity to the owners of the projects to help insure that their valuation for property taxation does not result in taxes so high that rent levels must be raised to cover this project expense, which can cause excess vacancies, project loan defaults, and eventual loss of rental housing facilities for those most in need of them, low-income families and the elderly. It is the intent of this State that the valuation required by this Division is the closest representation of cash value required by law and is the method established as proper and fair.
(Source: P.A. 92-16, eff. 6-28-01; 93-533, eff. 1-1-04; 93-755, eff. 7-16-04.)

35 ILCS 200/10-240

    (35 ILCS 200/10-240)
    Sec. 10-240. Definition of Section 515 low-income housing projects. "Section 515 low-income housing projects" mean rental apartment facilities (i) developed and managed under a United States Department of Agriculture Rural Rental Housing Program designed to provide affordable housing to low to moderate income families and seniors in rural communities with populations under 20,000, (ii) that receive a subsidy in the form of a 1% loan interest rate and a 50-year amortization of the mortgage, (iii) that would not have been built without a Section 515 interest credit subsidy, and (iv) where the owners of the projects are limited to an annual profit of an 8% return on a 5% equity investment, which may result in a modest cash flow to owners of the projects unless actual expenses, including property taxes, exceed budget projections, in which case no profit may be realized.
(Source: P.A. 91-651, eff. 1-1-00; 92-16, eff. 6-28-01.)

35 ILCS 200/10-245

    (35 ILCS 200/10-245)
    Sec. 10-245. Method of valuation of low-income housing projects. Notwithstanding Section 1-55 and except in counties with a population of more than 200,000 that classify property for the purposes of taxation, to determine 33 and one-third percent of the fair cash value of any low-income housing project developed under the Section 515 program or that qualifies for the low-income housing tax credit under Section 42 of the Internal Revenue Code, in assessing the project, local assessment officers must consider the actual or probable net operating income attributable to the property, using a vacancy rate of not more than 5%, capitalized at normal market rates. The interest rate to be used in developing the normal market value capitalization rate shall be one that reflects the prevailing cost of cash for other types of commercial real estate in the geographic market in which the low-income housing project is located.
(Source: P.A. 93-533, eff. 1-1-04; 93-755, eff. 7-16-04; 94-1086, eff. 1-19-07.)

35 ILCS 200/10-250

    (35 ILCS 200/10-250)
    Sec. 10-250. Certification procedure and effective date of implementation.
    (a) After (i) an application for a Section 515 low-income housing project certificate is filed with the State Director of the United States Department of Agriculture Rural Development Office in a manner and form prescribed in regulations issued by the office and (ii) the certificate is issued certifying that the housing is a Section 515 low-income housing project as defined in Section 2 of this Act, the certificate must be presented to the appropriate local assessment officer to receive the property assessment valuation under this Division. The local assessment officer must assess the property according to this Act. Beginning on January 1, 2000, all certified Section 515 low-income housing projects shall be assessed in accordance with Section 10-245.
    (b) Beginning with taxable year 2004, all low-income housing projects that qualify for the low-income housing tax credit under Section 42 of the Internal Revenue Code shall be assessed in accordance with Section 10-245 if the owner or owners of the low-income housing project certify to the appropriate local assessment officer that the owner or owners qualify for the low-income housing tax credit under Section 42 of the Internal Revenue Code for the property.
(Source: P.A. 93-533, eff. 1-1-04; 93-755, eff. 7-16-04.)

35 ILCS 200/10-255

    (35 ILCS 200/10-255)
    Sec. 10-255. Rules. The Department of Revenue may adopt rules to implement and administer this Division.
(Source: P.A. 91-651, eff. 1-1-00.)

35 ILCS 200/10-260

    (35 ILCS 200/10-260)
    Sec. 10-260. Low-income housing. In determining the fair cash value of property receiving benefits from the Low-Income Housing Tax Credit authorized by Section 42 of the Internal Revenue Code, 26 U.S.C. 42, emphasis shall be given to the income approach, except in those circumstances where another method is clearly more appropriate.
(Source: P.A. 91-502, eff. 8-13-99; 92-16, eff. 6-28-01.)

35 ILCS 200/Art. 10 Div. 12

 
    (35 ILCS 200/Art. 10 Div. 12 heading)
DIVISION 12. VETERANS ORGANIZATION PROPERTY

35 ILCS 200/10-300

    (35 ILCS 200/10-300)
    Sec. 10-300. Veterans organization assessment freeze.
    (a) For the taxable year 2000 and thereafter, the assessed value of real property owned and used by a veterans organization chartered under federal law, on which is located the principal building for the post, camp, or chapter, and, for taxable years 2004 and thereafter, the assessed value of real property owned by such an organization and used by the organization's members and guests for parking at the principal building for the post, camp, or chapter, must be frozen by the chief county assessment officer at (i) 15% of the 1999 assessed value of the property for property that qualifies for the assessment freeze in taxable year 2000 or (ii) 15% of the assessed value of the property for the taxable year that the property first qualifies for the assessment freeze after taxable year 2000. If, in any year, improvements or additions are made to the property that would increase the assessed value of the property were it not for this Section, then 15% of the assessed value of such improvements shall be added to the assessment of the property for that year and all subsequent years the property is eligible for the freeze.
    (b) The veterans organization must annually submit an application to the chief county assessment officer on or before (i) January 31 of the assessment year in counties with a population of 3,000,000 or more and (ii) December 31 of the assessment year in all other counties. The initial application must contain the information required by the Department of Revenue, including (i) a copy of the organization's congressional charter, (ii) the location or description of the property on which is located the principal building for the post, camp, or chapter, (iii) a written instrument evidencing that the organization is the record owner or has a legal or equitable interest in the property, (iv) an affidavit that the organization is liable for paying the real property taxes on the property, and (v) the signature of the organization's chief presiding officer. Subsequent applications shall include any changes in the initial application and shall be signed by the organization's chief presiding officer. All applications shall be notarized.
    (c) This Section shall not apply to parcels exempt under Section 15-145.
(Source: P.A. 92-16, eff. 6-28-01; 93-753, eff. 7-16-04.)

35 ILCS 200/Art. 10 Div. 13

 
    (35 ILCS 200/Art. 10 Div. 13 heading)
DIVISION 13. FRATERNAL ORGANIZATION PROPERTY

35 ILCS 200/10-350

    (35 ILCS 200/10-350)
    Sec. 10-350. Fraternal organization assessment freeze.
    (a) For the taxable year 2001 and thereafter, the assessed value of real property owned and used by a fraternal organization chartered by the State of Illinois prior to 1900, or its subordinate organization or entity, (i) that prohibits gambling and the use of alcohol on the property, (ii) that is an exempt entity under Section 501(c)(10) of the Internal Revenue Code, and (iii) whose members provide, directly or indirectly, financial support for charitable works, which may include medical care, drug rehabilitation, or education, shall be established by the chief county assessment officer as follows:
        (1) if the property meets the qualifications set
    
forth in this Section on January 1, 2001 and on January 1 of each subsequent assessment year, for assessment year 2001 and each subsequent assessment year, the final assessed value of the property shall be 15% of the final assessed value of the property for the assessment year 2000; or
        (2) if the property first meets the qualifications
    
set forth in this Section on January 1 of any assessment year after assessment year 2001 and on January 1 of each subsequent assessment year, for that first assessment year and each subsequent assessment year, the final assessed value shall be 15% of the final assessed value of the property for the assessment year in which the property first meets the qualifications set forth in this Section.
    If, in any year, additions or improvements are made to property subject to assessment under this Section and the additions or improvements would increase the assessed value of the property, then 15% of the final assessed value of the additions or improvements shall be added to the final assessed value of the property for the year in which the additions or improvements are completed and for all subsequent years that the property is eligible for assessment under this Section.
    (b) For purposes of this Section, "final assessed value" means the assessed value after final board of review action.
    (c) Fraternal organizations whose property is assessed under this Section must annually submit an application to the chief county assessment officer on or before (i) January 31 of the assessment year in counties with a population of 3,000,000 or more and (ii) December 31 of the assessment year in all other counties. The initial application must contain the information required by the Department of Revenue, which shall prepare the form, including:
        (1) a copy of the organization's charter from the
    
State of Illinois, if applicable;
        (2) the location or legal description of the property
    
on which is located the principal building for the organization, including the PIN number, if available;
        (3) a written instrument evidencing that the
    
organization is the record owner or has a legal or equitable interest in the property;
        (4) an affidavit that the organization is liable for
    
paying the real property taxes on the property; and
        (5) the signature of the organization's chief
    
presiding officer.
    Subsequent applications shall include any changes in the initial application and shall affirm the ownership, use, and liability for taxes for the year in which it is submitted. All applications shall be notarized.
    (d) This Section does not apply to parcels exempt from property taxes under this Code.
(Source: P.A. 91-834, eff. 1-1-01.)

35 ILCS 200/10-355

    (35 ILCS 200/10-355)
    Sec. 10-355. Fraternal organization assessment freeze.
    (a) For the taxable year 2002 and thereafter, the assessed value of real property owned and used by a fraternal organization that on December 31, 1926 had its national headquarters in Illinois or that was chartered in Illinois in February 1898, or its subordinate organization or entity, that is exempt under Section 501(c)(8) of the Internal Revenue Code and whose members provide, directly or indirectly, financial support for charitable works, which may include medical care, drug rehabilitation, or education, shall be established by the chief county assessment officer as follows:
        (1) if the property meets the qualifications set
    
forth in this Section on January 1, 2002 and on January 1 of each subsequent assessment year, for assessment year 2002 and each subsequent assessment year, the final assessed value of the property shall be 15% of the final assessed value of the property for the assessment year 2001; or
        (2) if the property first meets the qualifications
    
set forth in this Section on January 1 of any assessment year after assessment year 2002 and on January 1 of each subsequent assessment year, for that first assessment year and each subsequent assessment year, the final assessed value shall be 15% of the final assessed value of the property for the assessment year in which the property first meets the qualifications set forth in this Section.
    If, in any year, additions or improvements are made to property subject to assessment under this Section and the additions or improvements would increase the assessed value of the property, then 15% of the final assessed value of the additions or improvements shall be added to the final assessed value of the property for the year in which the additions or improvements are completed and for all subsequent years that the property is eligible for assessment under this Section.
    (b) For purposes of this Section, "final assessed value" means the assessed value after final board of review action.
    (c) Fraternal organizations whose property is assessed under this Section must annually submit an application to the chief county assessment officer on or before (i) January 31 of the assessment year in counties with a population of 3,000,000 or more and (ii) December 31 of the assessment year in all other counties. The initial application must contain the information required by the Department of Revenue, which shall prepare the form, including:
        (1) a copy of the organization's charter from the
    
State of Illinois, if applicable;
        (2) the location or legal description of the property
    
on which is located the principal building for the organization, including the PIN number, if available;
        (3) a written instrument evidencing that the
    
organization is the record owner or has a legal or equitable interest in the property;
        (4) an affidavit that the organization is liable for
    
paying the real property taxes on the property; and
        (5) the signature of the organization's chief
    
presiding officer.
    Subsequent applications shall include any changes in the initial application and shall affirm the ownership, use, and liability for taxes for the year in which it is submitted. All applications shall be notarized.
    (d) This Section does not apply to parcels exempt from property taxes under this Code.
(Source: P.A. 92-388, eff. 1-1-02; 92-859, eff. 1-3-03.)

35 ILCS 200/10-360

    (35 ILCS 200/10-360)
    Sec. 10-360. Fraternal organization assessment freeze.
    (a) For the taxable year 2003 and thereafter, the assessed value of real property owned and used by a fraternal organization or its affiliated Illinois not for profit corporation chartered prior to 1920 that is an exempt entity under Section 501(c)(2), 501(c)(8) or 501(c)(10) of the Internal Revenue Code and whose members provide, directly or indirectly, financial support for charitable works, which may include medical care, drug rehabilitation, or education, shall be established by the chief county assessment officer as follows:
        (1) if the property meets the qualifications set
    
forth in this Section on January 1, 2003 and on January 1 of each subsequent assessment year, for assessment year 2003 and each subsequent assessment year, the final assessed value of the property shall be 15% of the final assessed value of the property for the assessment year 2002; or
        (2) if the property first meets the qualifications
    
set forth in this Section on January 1 of any assessment year after assessment year 2003 and on January 1 of each subsequent assessment year, for that first assessment year and each subsequent assessment year, the final assessed value shall be 15% of the final assessed value of the property for the assessment year in which the property first meets the qualifications set forth in this Section.
    If, in any year, additions or improvements are made to property subject to assessment under this Section and the additions or improvements would increase the assessed value of the property, then 15% of the final assessed value of the additions or improvements shall be added to the final assessed value of the property for the year in which the additions or improvements are completed and for all subsequent years that the property is eligible for assessment under this Section.
    (b) For purposes of this Section, "final assessed value" means the assessed value after final board of review action.
    (c) Fraternal organizations or their affiliated not for profit corporations whose property is assessed under this Section must annually submit an application to the chief county assessment officer on or before (i) January 31 of the assessment year in counties with a population of 3,000,000 or more and (ii) December 31 of the assessment year in all other counties. The initial application must contain the information required by the Department of Revenue, which shall prepare the form, including:
        (1) the location or legal description of the property
    
on which is located the principal building for the organization, including the PIN number, if available;
        (2) a written instrument evidencing that the
    
organization or not for profit corporation is the record owner or has a legal or equitable interest in the property;
        (3) an affidavit that the organization or not for
    
profit corporation is liable for paying the real property taxes on the property; and
        (4) the signature of the organization's or not for
    
profit corporation's chief presiding officer.
    Subsequent applications shall include any changes in the initial application and shall affirm the ownership, use, and liability for taxes for the year in which it is submitted. All applications shall be notarized.
    (d) This Section does not apply to parcels exempt from property taxes under this Code.
(Source: P.A. 92-859, eff. 1-3-03.)

35 ILCS 200/Art. 10 Div. 14

 
    (35 ILCS 200/Art. 10 Div. 14 heading)
DIVISION 14. VALUATION OF CERTAIN LEASES OF EXEMPT PROPERTY
(Source: P.A. 94-974, eff. 6-30-06.)

35 ILCS 200/10-365

    (35 ILCS 200/10-365)
    Sec. 10-365. U.S. Military Public/Private Residential Developments. Unless otherwise agreed to pursuant to a separate settlement agreement pursuant to Section 10-385 of this Code, PPV Leases must be classified and valued as set forth in Sections 10-370 through 10-380 during the period beginning January 1, 2006 and ending December 31, 2055.
(Source: P.A. 99-738, eff. 8-5-16; 100-456, eff. 8-25-17.)

35 ILCS 200/10-370

    (35 ILCS 200/10-370)
    Sec. 10-370. Definitions. For the purposes of this Division 14:
    (a) "PPV Lease" means a leasehold interest in property that is exempt from taxation under Section 15-50 of this Code and that is leased, pursuant to authority set forth in Chapter 10 of the United States Code, to another whose property is not exempt for the purpose of, after January 1, 2006, the design, finance, construction, renovation, management, operation, and maintenance of rental housing units and associated improvements at military training facilities, military bases, and related military support facilities in the State of Illinois. All interests enjoyed pursuant to the authority set forth in Chapter 159 or Chapter 169 of Title 10 of the United States Code are considered leaseholds for the purposes of this Division. The changes to this Section made by this amendatory Act of the 97th General Assembly apply beginning on January 1, 2006.
    (b) For tax years prior to 2017, for naval training facilities, naval bases, and naval support facilities, "net operating income" means all revenues received minus the lesser of (i) 62% of all revenues or (ii) actual expenses before interest, taxes, depreciation, and amortization. For all other military training facilities, military bases, and related military support facilities, "net operating income" means all revenues received minus the lesser of (i) 42% of all revenues or (ii) actual expenses before interest, taxes, depreciation, and amortization.
    (b-5) For tax year 2017 and thereafter, for naval training facilities, naval bases, and naval support facilities, "net operating income" means all revenues received minus the actual expenses before interest, taxes, depreciation, and amortization.
    (c) "Tax load factor" means the level of assessment, as set forth under item (b) of Section 9-145 or under Section 9-150, multiplied by the cumulative tax rate for the current taxable year.
(Source: P.A. 100-456, eff. 8-25-17.)

35 ILCS 200/10-375

    (35 ILCS 200/10-375)
    Sec. 10-375. Valuation.
    (a) A PPV Lease must be valued at its fair cash value, as provided under item (b) of Section 9-145 or under Section 9-150.
    (b) The fair cash value of a PPV Lease must be determined by using an income capitalization approach.
    (c) To determine the fair cash value of a PPV Lease, the net operating income is divided by (i) a rate of 12% plus (ii) the actual or most recently ascertainable tax load factor for the subject year.
    (d) By April 15 of each year, the holder of a PPV Lease must report to the chief county assessment officer in each county in which the leasehold property is located the annual gross income and expenses derived and incurred from the PPV Lease, including the rental of leased property for each military housing facility subject to a PPV Lease.
(Source: P.A. 100-456, eff. 8-25-17.)

35 ILCS 200/10-380

    (35 ILCS 200/10-380)
    Sec. 10-380. For the taxable years 2006 through 2055, the chief county assessment officer in the county in which property subject to a PPV Lease is located shall apply the provisions of Sections 10-370(b)(i) and 10-375(c)(i) of this Division 14 in assessing and determining the value of any PPV Lease for purposes of the property tax laws of this State.
(Source: P.A. 99-738, eff. 8-5-16; 100-456, eff. 8-25-17.)

35 ILCS 200/10-385

    (35 ILCS 200/10-385)
    Sec. 10-385. PPV leases; tax settlement agreements. A taxable PPV lease under Section 10-375 of this Act that (i) encumbers exempt real property located within a county of less than 600,000 inhabitants and (ii) is related to taxable real property used for military housing purposes may be assessed and valued pursuant to the terms of a real property tax assessment settlement agreement executed between the local county assessment officials and the taxpayer, provided that appeals challenging the valuation and taxation of the PPV lease were pending as of January 1, 2006 or thereafter. Appropriate authorities, including other county and State officials, may be parties to those settlement agreements. Those agreements may provide for the settlement of issues related to the assessed valuation of the PPV lease or the property and may provide for related payments, refunds, claims, and credits against property taxes and liabilities in current and future years. Those agreements may provide for a total assessment or maximum annual tax payment for all contested tax years and future tax years for up to a 20-year term. Those agreements may also provide for annual adjustments to the extent that taxes levied against the PPV lease or property exceed the amounts due, as expressed in the agreement. The adjustments may be made as credits to be applied to current tax bills applicable to the PPV lease, the property, or both. No referendum approval shall be required for such agreements, and they shall not constitute indebtedness of any taxing district for the purposes of any statutory limitation.
(Source: P.A. 99-818, eff. 8-15-16.)

35 ILCS 200/Art. 10 Div. 15

 
    (35 ILCS 200/Art. 10 Div. 15 heading)
DIVISION 15. SUPPORTIVE LIVING FACILITIES
(Source: P.A. 94-1086, eff. 1-19-07.)

35 ILCS 200/10-390

    (35 ILCS 200/10-390)
    Sec. 10-390. Valuation of supportive living facilities.
    (a) Notwithstanding Section 1-55, to determine the fair cash value of any supportive living facility established under Section 5-5.01a of the Illinois Public Aid Code, in assessing the facility, a local assessment officer must use the income capitalization approach.
    (b) When assessing supportive living facilities, the local assessment officer may not consider:
        (1) payments from Medicaid for services
    
provided to residents of supportive living facilities when such payments constitute income that is attributable to services and not attributable to the real estate; or
        (2) payments by a resident of a supportive
    
living facility for services that would be paid by Medicaid if the resident were Medicaid-eligible, when such payments constitute income that is attributable to services and not attributable to real estate.
(Source: P.A. 94-1086, eff. 1-19-07.)

35 ILCS 200/Art. 10 Div. 16

 
    (35 ILCS 200/Art. 10 Div. 16 heading)
DIVISION 16. CONSERVATION STEWARDSHIP LAW
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-400

    (35 ILCS 200/10-400)
    Sec. 10-400. Short title; findings and policy.
    (a) This Division may be cited as the Conservation Stewardship Law.
    (b) The General Assembly finds that it is in the best interest of this State to maintain, preserve, conserve, and manage unimproved land to assure the protection of these limited and unique environmental resources for the economic and social well-being of the State and its citizens.
    The General Assembly further finds that, to maximize voluntary taxpayer participation in conservation programs, conservation should be recognized as a legitimate land use and taxpayers should have a full range of incentive programs from which to choose.
    Therefore, the General Assembly declares that it is in the public interest to prevent the forced conversion of unimproved land to more intensive uses as a result of economic pressures caused by the property tax system at values incompatible with their preservation and management as unimproved land, and that a program should be designed to permit the continued availability of this land for these purposes.
    The General Assembly further declares that the following provisions are intended to allow for the conservation, management, and assessment of unimproved land generally suitable for the perpetual growth and preservation of such land in this State.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-405

    (35 ILCS 200/10-405)
    Sec. 10-405. Definitions. As used in this Division:
    "Unimproved land" means woodlands, prairie, wetlands, or other vacant and undeveloped land that is not used for any residential or commercial purpose that materially disturbs the land.
    "Conservation management plan" means a plan approved by the Department of Natural Resources that specifies conservation and management practices, including uses that will be conducted to preserve and restore unimproved land.
    "Managed land" means unimproved land of 5 contiguous acres or more that is subject to a conservation management plan.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-410

    (35 ILCS 200/10-410)
    Sec. 10-410. Conservation management plan; rules. The Department of Natural Resources shall adopt rules specifying the form and content of a conservation management plan sufficient for managed land to be valued under this Division. The rules adopted under this Section must require a description of the managed land and must specify the conservation and management practices that are appropriate to preserve and maintain unimproved land in this State and any other conservation practices.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-415

    (35 ILCS 200/10-415)
    Sec. 10-415. Plan submission and review; approval.
    (a) A taxpayer requesting special valuation of unimproved land under this Division must first submit a conservation management plan for that land to the Department of Natural Resources for review. The Department of Natural Resources shall review each submitted plan for compliance with the standards and criteria set forth in its rules.
    (b) Upon approval, the Department of Natural Resources shall issue to the taxpayer a written declaration that the land is subject to a conservation management plan approved by the Department of Natural Resources.
    (c) The Department of Natural Resources shall reapprove the plan every 10 years and revise it when necessary or appropriate.
    (d) If a plan is not approved, then the Department of Natural Resources shall state the reasons for the denial and provide the taxpayer an opportunity to amend the plan to conform to the requirements of this Division. If the application is denied a second time, the taxpayer may appeal the decision to an independent 3-member panel to be established within the Department of Natural Resources.
    (e) The submission of an application for a conservation management plan under this Section or of a forestry management plan under Section 10-150 shall be treated as compliance with the requirements of that plan until the Department of Natural Resources can review the application. The Department of Natural Resources shall certify, to the Department, these applications as being approved plans for the purpose of this Division.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-420

    (35 ILCS 200/10-420)
    Sec. 10-420. Special valuation of managed land; exceptions.
    (a) In all counties, except for Cook County, beginning with assessments made in 2008 and thereafter, managed land for which an application has been approved under Section 10-415 that contains 5 or more contiguous acres is valued at 5% of its fair cash value.
    (b) The special valuation under this Section does not apply to (i) any land that has been assessed as farmland under Sections 10-110 through 10-145, (ii) land valued under Section 10-152 or 10-153, (iii) land valued as open space under Section 10-155, (iv) land certified under Section 10-167, or (v) any property dedicated as a nature preserve or a nature preserve buffer under the Illinois Natural Areas Preservation Act and assessed in accordance with subsection (e) of Section 9-145.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-425

    (35 ILCS 200/10-425)
    Sec. 10-425. Certification.
    (a) The Department of Natural Resources shall certify to the Department a list of applications approved under Section 10-415. This list must contain the following information for each approved application:
        (1) the name and address of the taxpayer;
        (2) the county in which the land is located;
        (3) the size and each property index number or
    
legal description of the land that was approved; and
        (4) copies of the taxpayer's approved conservation
    
management plan.
    (b) Within 30 days after the receipt of this information, the Department shall notify in writing the chief county assessment officer of each parcel of land covered by an approved conservation management plan and application. The chief county assessment officer shall determine the valuation of the land as otherwise permitted by law and as required under Section 10-420 of this Division, and shall list them separately.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-430

    (35 ILCS 200/10-430)
    Sec. 10-430. Withdrawal from special valuation.
    (a) If any of the following events occur, then the Department of Natural Resources shall withdraw all or a portion of the land from special valuation:
        (1) the Department of Natural Resources determines,
    
based on field inspections or from any other reasonable evidence, that the land no longer meets the criteria under this Division; or
        (2) the failure of the taxpayer to respond to a
    
request from the Department of Natural Resources or the chief county assessment officer of each county in which the property is located for data regarding the use of the land or other similar information pertinent to the continued special valuation of the land.
    (b) A determination by the Department of Natural Resources to withdraw land from the special valuation under this Act is effective on the following January 1 of the assessment year in which the withdrawal occurred.
    (c) The Department of Natural Resources shall notify the chief county assessment officer and the Department in writing of any land withdrawn from special valuation. Upon withdrawal, additional taxes must be calculated as provided in Section 10-445.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-435

    (35 ILCS 200/10-435)
    Sec. 10-435. Recapture.
    (a) If, in any taxable year that the taxpayer receives a special valuation under Section 10-470, the taxpayer does not comply with the conservation management plan, then the taxpayer shall, by the following September 1, pay to the county treasurer the difference between: (i) the taxes paid for that year and; (ii) what the taxes for that year would have been based on a valuation otherwise permitted by law.
    (b) If the amount under subsection (a) is not paid by the following September 1, then that amount is considered to be delinquent property taxes.
    (c) If a taxpayer who currently owns land in (i) a forestry management plan under Section 10-150 or (ii) land registered or encumbered by conservation rights under Section 10-166 that would qualify for the tax assessment under this Division, then the taxpayer may apply for reassessment under this Division and shall not be penalized for doing so.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-440

    (35 ILCS 200/10-440)
    Sec. 10-440. Sale or transfer of unimproved land. The sale or transfer of unimproved land does not affect the valuation of the land, unless there is a change in the use of the land or the acreage requirement is no longer met. Any tract of land containing less than 5 acres after a sale or transfer may be reclassified by the chief county assessment officer and valued as otherwise permitted by law. The taxpayer and the Department of Natural Resources may revise a conservation management plan whenever there is a change in the ownership of the affected land.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-445

    (35 ILCS 200/10-445)
    Sec. 10-445. Rules. The Department of Natural Resources shall adopt rules to implement and administer this Act.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/Art. 10 Div. 17

 
    (35 ILCS 200/Art. 10 Div. 17 heading)
DIVISION 17. WOODED ACREAGE ASSESSMENT TRANSITION LAW
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-500

    (35 ILCS 200/10-500)
    Sec. 10-500. Short title. This Division may be cited as the Wooded Acreage Assessment Transition Law.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-505

    (35 ILCS 200/10-505)
    Sec. 10-505. Wooded acreage defined. For the purposes of this Division 17, "wooded acreage" means any parcel of unimproved real property that:
        (1) can be defined as "woodlands" by the United
    
States Department of the Interior Bureau of Land Management;
        (2) is at least 5 contiguous acres;
        (3) does not qualify as cropland, permanent pasture,
    
other farmland, or wasteland under Section 10-125 of this Code;
        (4) is not managed under a forestry management plan
    
and considered to be other farmland under Section 10-150 of this Code;
        (5) does not qualify for another preferential
    
assessment under this Code; and
        (6) is owned by the taxpayer on October 1, 2007.
    This amendatory Act of the 100th General Assembly is intended as a clarification and is not a new enactment.
(Source: P.A. 100-379, eff. 8-25-17.)

35 ILCS 200/10-510

    (35 ILCS 200/10-510)
    Sec. 10-510. Assessment of wooded acreage.
    (a) If wooded acreage was classified as farmland during the 2006 assessment year, then the property shall be assessed by multiplying the current fair cash value of the property by the transition percentage. The chief county assessment officer shall determine the transition percentage for the property by dividing (i) the property's 2006 equalized assessed value as farmland by (ii) the 2006 fair cash value of the property.
    (b) The wooded acreage shall continue to be assessed under the provisions of this Section through any assessment year in which the property is transferred or no longer qualifies as wooded acreage under Section 10-505, and the property must be assessed as otherwise permitted by law beginning the following assessment year.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-515

    (35 ILCS 200/10-515)
    Sec. 10-515. Notice requirement. If the owner of property subject to this Division is a corporation, partnership, limited liability company, trust, or other similar entity, then it shall report to the chief county assessment officer any change in ownership interest or beneficial interest. If, after October 1, 2007, the ownership interests or beneficial interests in such an entity change by more than 50% from those interests as they existed on October 1, 2007, then the property no longer qualifies to receive the preferential assessment treatment of the wooded acreage under this Division, and the property must be assessed as otherwise permitted by law beginning the following assessment year.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/10-520

    (35 ILCS 200/10-520)
    Sec. 10-520. Cook County exempt. This Division 17 does not apply to any property located within Cook County.
(Source: P.A. 95-633, eff. 10-1-07.)

35 ILCS 200/Art. 10 Div. 18

 
    (35 ILCS 200/Art. 10 Div. 18 heading)
DIVISION 18. WIND ENERGY PROPERTY ASSESSMENT
(Source: P.A. 95-644, eff. 10-12-07; 95-876, eff. 8-21-08.)

35 ILCS 200/10-600

    (35 ILCS 200/10-600)
    Sec. 10-600. Definitions. For the purposes of this Division 18:
    "Wind energy device" means any device, with a nameplate capacity of at least 0.5 megawatts, that is used in the process of converting kinetic energy from the wind to generate electric power for commercial sale.
    "2007 real property cost basis" excludes personal property but represents both the land and real property improvements of a wind energy device and means $360,000 per megawatt of nameplate capacity.
    "Trending factor" means a number equal to the consumer price index (U.S. city average all items) published by the Bureau of Labor Statistics for the December immediately preceding the assessment date, divided by the consumer price index (U.S. city average all items) published by the Bureau of Labor Statistics for December 2006.
    "Trended real property cost basis" means the 2007 real property cost basis multiplied by the trending factor.
    "Allowance for physical depreciation" means (i) the actual age in years of the wind energy device on the assessment date divided by 25 years multiplied by (ii) the trended real property cost basis. The physical depreciation, however, may not reduce the value of the wind energy device to less than 30% of the trended real property cost basis.
(Source: P.A. 95-644, eff. 10-12-07.)

35 ILCS 200/10-605

    (35 ILCS 200/10-605)
    Sec. 10-605. Valuation of wind energy devices. Beginning in assessment year 2007, the fair cash value of wind energy devices shall be determined by subtracting the allowance for physical depreciation from the trended real property cost basis. Functional obsolescence and external obsolescence may further reduce the fair cash value of the wind energy device, to the extent they are proved by the taxpayer by clear and convincing evidence.
(Source: P.A. 95-644, eff. 10-12-07.)

35 ILCS 200/10-610

    (35 ILCS 200/10-610)
    Sec. 10-610. Applicability.
    (a) The provisions of this Division apply for assessment years 2007 through 2021.
    (b) The provisions of this Division do not apply to wind energy devices that are owned by any person or entity that is otherwise exempt from taxation under the Property Tax Code.
(Source: P.A. 99-825, eff. 8-16-16.)

35 ILCS 200/10-615

    (35 ILCS 200/10-615)
    Sec. 10-615. Wind energy assessable property is not subject to equalization. Wind energy assessable property is not subject to equalization factors applied by the Department or any board of review, assessor, or chief county assessment officer.
(Source: P.A. 95-644, eff. 10-12-07.)

35 ILCS 200/10-620

    (35 ILCS 200/10-620)
    Sec. 10-620. Platting requirements; parcel identification numbers. The owner of a wind energy device shall, at his or her own expense, use an Illinois registered land surveyor to prepare a plat showing the metes and bounds description, including access routes, of the area immediately surrounding the wind energy device over which that owner has exclusive control; provided that such platting does not constitute a subdivision of land subject to the provisions of the Plat Act (765 ILCS 205/). Within 60 days after completion of construction of the wind energy device, the owner of the wind energy device shall record the plat and deliver a copy of it to the chief county assessment officer and to the owner of the land surrounding the newly platted area. Upon receiving a copy of the plat, the chief county assessment officer shall issue a separate parcel identification number or numbers for the property containing the wind energy device or devices.
(Source: P.A. 95-644, eff. 10-12-07.)

35 ILCS 200/Art. 10 Div. 19

 
    (35 ILCS 200/Art. 10 Div. 19 heading)
Division 19. Qualified commercial and industrial property
(Source: P.A. 98-702, eff. 7-7-14.)

35 ILCS 200/10-700

    (35 ILCS 200/10-700)
    Sec. 10-700. Qualified commercial and industrial property; tornado disaster. Notwithstanding any other provision of law, each qualified parcel of commercial or industrial property owned and used by a small business shall be valued at the lesser of (i) its modified equalized assessed value or (ii) 33 1/3% of its fair cash value or, in the case of property located in a county that classifies property for purposes of taxation in accordance with Section 4 of Article IX of the Constitution, the percentage of fair cash value as required by county ordinance. The method of valuation under this Section shall continue until there is a change in use or ownership of the property or until the fifteenth taxable year after the tornado disaster occurs, whichever occurs first. In order to qualify for valuation under this Section, the structure must be rebuilt within 2 years after the date of the tornado disaster, and the square footage of the rebuilt structure may not be more than 110% of the square footage of the original structure as it existed immediately prior to the tornado disaster.
    "Base year" means the taxable year prior to the taxable year in which the tornado disaster occurred.
    "Modified equalized assessed value" means:
        (1) in the first taxable year after the tornado
    
disaster occurs, the equalized assessed value of the property for the base year; and
        (2) in the second taxable year after the tornado
    
disaster occurs and thereafter, the modified equalized assessed value of the property for the previous taxable year, increased by 4%.
    "Tornado disaster" means an occurrence of widespread or severe damage or loss of property resulting from a tornado or combination of tornadoes that has been proclaimed as a natural disaster by the Governor or the President of the United States.
    "Qualified parcel of property" means property that (i) is owned and used exclusively for commercial or industrial purposes by a small business and (ii) has been rebuilt following a tornado disaster occurring in taxable year 2013 or any taxable year thereafter.
    "Small business" means a business that employs fewer than 50 full-time employees.
(Source: P.A. 98-702, eff. 7-7-14.)

35 ILCS 200/10-705

    (35 ILCS 200/10-705)
    Sec. 10-705. Keystone property.
    (a) For the purposes of this Section:
        "Base year" means the last tax year prior to the date
    
of the application during which the property was occupied and assessed and taxes were collected.
        "Tax year" means the calendar year for which assessed
    
value is determined as of January 1 of that year.
        "Keystone property" means property that has had a
    
distinguished past and is a prominent property in the Village of Park Forest, a home rule municipality in both Cook and Will Counties, but is not of historical significance or landmark status and meets the following criteria:
            (1) the property contains an existing industrial
        
structure consisting of more than 100,000 square feet;
            (2) the property is located on a lot, parcel, or
        
tract of land that is more than 5 acres in area;
            (3) the industrial structure was originally built
        
more than 30 years prior to the date of the application;
            (4) the property has been vacant for a period of
        
more than 5 consecutive years immediately prior to the date of the application; and
            (5) the property is not located in a tax
        
increment financing district as of the date of the application.
    (b) Within one year from the effective date of this amendatory Act of the 100th General Assembly, owners of real property may apply with the municipality in which the property is located to have the property designated as keystone property. If the property meets the criteria for keystone property set forth in subsection (a), then the corporate authorities of the municipality have one year from the effective date of this amendatory Act of the 100th General Assembly within which they may certify the property as keystone property for the purposes of promoting rehabilitation of vacant property and fostering job creation in the fields of manufacturing and research and development. The certification shall be transmitted to the chief county assessment officer as soon as possible after the property is certified.
    (c) Beginning with the first tax year after the property is certified as keystone property and continuing through the twelfth tax year after the property is certified as keystone property, for the purpose of taxation under this Code, the property shall be valued at 33 1/3% of the fair cash value of the land, without regard to buildings, structures, improvements, and other permanent fixtures located on the property. For the first 3 tax years after the property is certified as keystone property, the aggregate tax liability for the property shall be no greater than $75,000. That aggregate tax liability, once collected, shall be distributed to the taxing districts in which the property is located according to each taxing district's proportionate share of that aggregate liability. Beginning with the fourth tax year after the property is certified as keystone property and continuing through the twelfth tax year after the property is certified as keystone property, the property's tax liability for each taxing district in which the property is located shall be increased over the tax liability for the preceding year by the percentage increase, if any, in the total equalized assessed value of all property in the taxing district.
    No later than March 1 of each year before taxes are extended for the prior tax year, the Village of Park Forest shall certify to the county clerk of the county in which the property is located a percentage reduction to be applied to property taxes to limit the aggregate tax liability on keystone property in accordance with this Section.
(Source: P.A. 100-510, eff. 9-15-17.)

35 ILCS 200/Art. 11

 
    (35 ILCS 200/Art. 11 heading)
Article 11. Valuations Performed by the Department

35 ILCS 200/Art. 11 Div. 1

 
    (35 ILCS 200/Art. 11 Div. 1 heading)
Division 1. Pollution control facilities

35 ILCS 200/11-5

    (35 ILCS 200/11-5)
    Sec. 11-5. Pollution control facilities; valuation policy. It is the policy of this State that pollution control facilities should be valued, at 33 1/3% of the fair cash value of their economic productivity to their owners.
(Source: P.A. 83-121; 88-455.)

35 ILCS 200/11-10

    (35 ILCS 200/11-10)
    Sec. 11-10. Definition of pollution control facilities. "Pollution control facilities" means any system, method, construction, device or appliance appurtenant thereto, or any portion of any building or equipment, that is designed, constructed, installed or operated for the primary purpose of:
    (a) eliminating, preventing, or reducing air or water pollution, as the terms "air pollution" and "water pollution" are defined in the Environmental Protection Act; or
    (b) treating, pretreating, modifying or disposing of any potential solid, liquid or gaseous pollutant which if released without treatment, pretreatment, modification or disposal might be harmful, detrimental or offensive to human, plant or animal life, or to property. "Pollution control facilities" shall not include, however,
        (1) any facility with the primary purpose of (i)
    
eliminating, containing, preventing or reducing radioactive contaminants or energy, or (ii) treating waste water produced by the nuclear generation of electric power,
        (2) any large diameter pipes or piping systems used
    
to remove and disperse heat from water involved in the nuclear generation of electric power,
        (3) any facility operated by any person other than a
    
unit of government, whether within or outside of the territorial boundaries of a unit of local government, for sewage disposal or treatment, or
        (4) land underlying a cooling pond.
(Source: P.A. 83-883; 88-455.)

35 ILCS 200/11-15

    (35 ILCS 200/11-15)
    Sec. 11-15. Method of valuation for pollution control facilities. To determine 33 1/3% of the fair cash value of any certified pollution control facilities in assessing those facilities, the Department shall take into consideration the actual or probable net earnings attributable to the facilities in question, capitalized on the basis of their productive earning value to their owner; the probable net value which could be realized by their owner if the facilities were removed and sold at a fair, voluntary sale, giving due account to the expense of removal and condition of the particular facilities in question; and other information as the Department may consider as bearing on the fair cash value of the facilities to their owner, consistent with the principles set forth in this Section. For the purposes of this Code, earnings shall be attributed to a pollution control facility only to the extent that its operation results in the production of a commercially saleable by-product or increases the production or reduces the production costs of the products or services otherwise sold by the owner of such facility.
(Source: P.A. 83-121; 88-455.)

35 ILCS 200/11-20

    (35 ILCS 200/11-20)
    Sec. 11-20. Certification and assessment authority. For tax purposes, pollution control facilities shall be certified as such by the Pollution Control Board and shall be assessed by the Department.
(Source: P.A. 77-1381; 88-455.)

35 ILCS 200/11-25

    (35 ILCS 200/11-25)
    Sec. 11-25. Certification procedure. Application for a pollution control facility certificate shall be filed with the Pollution Control Board in a manner and form prescribed in regulations issued by that board. The application shall contain appropriate and available descriptive information concerning anything claimed to be entitled in whole or in part to tax treatment as a pollution control facility. If it is found that the claimed facility or relevant portion thereof is a pollution control facility as defined in Section 11-10, the Pollution Control Board, acting through its Chairman or his or her specifically authorized delegate, shall enter a finding and issue a certificate to that effect. The certificate shall require tax treatment as a pollution control facility, but only for the portion certified if only a portion is certified. The effective date of a certificate shall be the date of application for the certificate or the date of the construction of the facility, whichever is later.
(Source: P.A. 100-201, eff. 8-18-17.)

35 ILCS 200/11-30

    (35 ILCS 200/11-30)
    Sec. 11-30. Powers and duties of the certifying board. Before denying any certificate, the Pollution Control Board shall give reasonable notice in writing to the applicant and provide the applicant a reasonable opportunity for a fair hearing. On like notice to the holder and opportunity for hearing, the Board may on its own initiative revoke or modify a pollution control certificate or a low sulfur dioxide emission coal fueled device certificate whenever any of the following appears:
        (a) the certificate was obtained by fraud or
    
misrepresentation;
        (b) the holder of the certificate has failed
    
substantially to proceed with the construction, reconstruction, installation, or acquisition of pollution control facilities or a low sulfur dioxide emission coal fueled device; or
        (c) the pollution control facility to which the
    
certificate relates has ceased to be used for the primary purpose of pollution control and is being used for a different purpose.
    Prompt written notice of the Board's action upon any application shall be given to the applicant together with a written copy of the Board's findings and certificate, if any.
(Source: P.A. 82-134; 88-455.)

35 ILCS 200/Art. 11 Div. 2

 
    (35 ILCS 200/Art. 11 Div. 2 heading)
Division 2. Low sulfur dioxide coal fueled devices

35 ILCS 200/11-35

    (35 ILCS 200/11-35)
    Sec. 11-35. Low sulfur dioxide emission coal fueled devices. It is the policy of this State that the use of low sulfur dioxide emission coal fueled devices should be encouraged as conserving nonrenewable resources, reducing pollution and promoting the use of abundant, high-sulfur, locally available coal as well as promoting the health and well-being of the people of this State, and should be valued at 33 1/3% of their fair cash value.
(Source: P.A. 83-121; 88-455.)

35 ILCS 200/11-40

    (35 ILCS 200/11-40)
    Sec. 11-40. Definition of low sulfur dioxide emission coal fueled devices. "Low sulfur dioxide emission coal fueled devices" means any device used or intended for the purpose of burning, combusting or converting locally available coal in a manner which eliminates or significantly reduces the need for additional sulfur abatement that would otherwise be required under State or Federal air emission standards. The word "device" includes all machinery, equipment, structures and all related apparatus, including coal feeding equipment, of a coal gasification facility designed to convert locally available coal into a low sulfur gaseous fuel and to manage all waste and by-product streams.
(Source: P.A. 82-134; 88-455.)

35 ILCS 200/11-45

    (35 ILCS 200/11-45)
    Sec. 11-45. Method of valuation for low sulfur dioxide emission coal fueled devices. To determine 33 1/3% of the fair cash value of any low sulfur dioxide emission coal fueled device, the Department shall determine the net value which could be realized by its owner if the device were removed and sold at a fair, voluntary sale, giving due account to the expense of removal, site restoration, and transportation. That net value shall be considered to be 33 1/3% of fair cash value.
(Source: P.A. 82-134; 88-455.)

35 ILCS 200/11-50

    (35 ILCS 200/11-50)
    Sec. 11-50. Certification and assessment authority. For tax purposes, a low sulfur dioxide emission coal fueled device shall be certified as such by the Pollution Control Board and shall be assessed by the Department.
(Source: P.A. 82-134; 88-455.)

35 ILCS 200/11-55

    (35 ILCS 200/11-55)
    Sec. 11-55. Approval procedure. Application for approval of a low sulfur dioxide emission coal fueled device shall be filed with the Pollution Control Board in the manner and form prescribed by that board. The application shall contain appropriate and available descriptive information concerning anything claimed to be entitled to tax treatment as a low sulfur dioxide emission coal fueled device as defined in this Code. If it is found that the claimed device meets that definition, the Pollution Control Board, acting through its Chairman or its specifically authorized delegate, shall enter a finding and issue a certificate that requires tax treatment as a low sulfur dioxide emission coal fueled device. The effective date of a certificate shall be on January 1 preceding the date of certification or preceding the date construction or installation of the device commences, whichever is later.
(Source: P.A. 82-134; 88-455.)

35 ILCS 200/11-60

    (35 ILCS 200/11-60)
    Sec. 11-60. Judicial review; pollution control and low sulfur devices. Any applicant or holder aggrieved by the issuance, refusal to issue, denial, revocation, modification or restriction of a pollution control certificate or a low sulfur dioxide emission coal fueled device certificate may appeal the finding and order of the Pollution Control Board, under the Administrative Review Law.
(Source: P.A. 82-783; 88-455.)

35 ILCS 200/11-65

    (35 ILCS 200/11-65)
    Sec. 11-65. Procedures for assessment; pollution control and low sulfur devices. Proceedings for assessment or reassessment of property certified to be pollution control facilities or low sulfur dioxide emission coal fueled devices shall be conducted in accordance with procedural regulations issued by the Department, in conformity with this Code.
(Source: P.A. 82-134; 88-455.)

35 ILCS 200/Art. 11 Div. 3

 
    (35 ILCS 200/Art. 11 Div. 3 heading)
Division 3. Railroads

35 ILCS 200/11-70

    (35 ILCS 200/11-70)
    Sec. 11-70. Assessment of railroad companies; definitions. These words and phrases, for the assessment of the property of railroad companies, and unless otherwise required by the context shall be defined as follows:
    (a) "Railroad company," "railroad," or "company" means any person, company, corporation or association owning, operating or constructing a railroad, a suburban or interurban railroad, a switching or terminal railroad, a railroad station, or a railroad bridge in this State.
    (b) "Operating property" means all tracks and right of way, all structures and improvements on that right of way, all rights and franchises, all rolling stock and car equipment, and all other property, real or personal, tangible or intangible connected with or used in the operation of the railroad including real estate contiguous to railroad right of way or station grounds held for reasonable expansion or future development.
    (c) "Non-operating personalty" means all personal property, tangible and intangible, held by any railroad company and not included in the definition of "operating property".
    (d) "Non-carrier real estate" means all land, and improvements on that land, not situated on the right of way of the railroad and not used as operating property within the meaning of the definition in paragraph (b). Improvements owned by others and situated on the right of way not used in the operations of the railroad shall be deemed to be "non-carrier real estate." The Department shall adopt proper rules and regulations to determine whether any property is "non-carrier real estate."
    (e) "Trackage rights" or "trackage right agreement" means the right by which one railroad company operates trains in scheduled service over tracks owned and used by another railroad company and the valuation of trackage rights shall include the value of all rolling stock, and all tangible or intangible personal property used or connected therewith.
(Source: P.A. 81-1stSS-1; 88-455.)

35 ILCS 200/11-75

    (35 ILCS 200/11-75)
    Sec. 11-75. Assessment date for railroad companies. The Department shall assess all property owned or used by railroad companies operating within this State, as of January first annually, except property found by the Department to be non-carrier real estate.
    The assessment of the property of any railroad company shall be based upon the value of property defined in Section 11-70, less the percentage of the total value which consists of operating or non-operating personal property.
(Source: P.A. 86-173; 86-905; 86-1028; 88-455.)

35 ILCS 200/11-80

    (35 ILCS 200/11-80)
    Sec. 11-80. Assessment procedure for railroad companies. In assessing the taxable property of any railroad company, the Department shall first determine 33 1/3% of the fair cash value of all the property of any railroad company as a unit, but shall make due allowance for any non-carrier real estate and all personalty.
    The Department shall take into consideration the actual or market value of the shares of stock outstanding, the actual or market value of all bonds outstanding and all other indebtedness as is applicable, for operating the road. In determining the market value of the stock or indebtedness the Department shall consider quotations for the 5 years preceding the assessment date; the net earnings of the company during the 5 calendar years preceding the assessment date; and such other information as the Department may consider as bearing on the fair cash value of the property. The valuation by the Department shall include capital stock and all other property of railroad companies, except non-carrier real estate. The above facts shall not be conclusive upon the Department in determining 33 1/3% of the fair cash value of the property of a railroad company.
    The Department shall determine the equalized assessed value of the taxable property of every railroad company by applying to its determination of 33 1/3% of the fair cash value of the property an equalization factor equal to the statewide average ratio of the equalized assessed value of locally assessed property to 33 1/3% of the fair cash value of such locally assessed property.
    The Department shall assess the value of all operating property acquired by a railroad company or its wholly-owned subsidiary by trade with a municipality, which is situated in a state contiguous to Illinois, at no greater value than the value of the operating property traded to the municipality for the property by the railroad company. The value shall be that value established for the year immediately preceding the calendar year of the trade. The assessment shall not increase, but may decrease, during the 10 years following the calendar year of the trade.
(Source: P.A. 86-173; 86-905; 86-1028; 88-455.)

35 ILCS 200/11-80.1

    (35 ILCS 200/11-80.1)
    Sec. 11-80.1. High-speed passenger rail project. Due to the importance of developing high-speed or faster rail service, the General Assembly finds that it should encourage freight railroad owners to participate in State and federal government programs, including cooperative agreements designed to increase the speed of passenger rail service, that participation in those programs should not result in increased property taxes, and that such an increase in property taxes could negatively impact the participation in those programs. Therefore, the Department shall take into consideration any potential increase in a property's overall valuation that is directly attributable to the investment, improvement, replacement, or expansion of railroad operating property on or after January 1, 2010, through State or federal government programs, including cooperative agreements, necessary for higher speed passenger rail transportation. Any such increase in the property's overall valuation that is directly attributable to the investment, improvement, replacement, or expansion of railroad operating property on or after January 1, 2010, through State or federal government programs necessary for higher speed passenger rail transportation, including cooperative agreements, shall be excluded from the valuation of its real property improvements under Section 11-80. This Section applies on and after the effective date of this amendatory Act of the 97th General Assembly and through December 31, 2019.
(Source: P.A. 97-481, eff. 8-22-11.)

35 ILCS 200/11-85

    (35 ILCS 200/11-85)
    Sec. 11-85. Property schedules. Every railroad company shall, on or before June 1 of each year, when required, make out and file with the Department a statement or schedule showing the property held for right of way, whether owned, leased, or operated under trackage right agreement, and the length of the first, second, third and other main and all side tracks and turnouts, and the number of acres of right of way in each county of this State and in each taxing district of this State, through or into which the road may run. It shall describe all improvements and stations located on the right of way, giving the quantity, quality, character and original cost of each. It shall also report all non-operating personalty owned or controlled by the company on January 1, giving the quantity, quality, character and location of the same. The report shall also include any potential increase in the property's overall valuation that is directly attributable to the investment, improvement, replacement, or expansion of railroad operating property on or after January 1, 2010, through State or federal governmental programs, including cooperative agreements, necessary for higher speed passenger rail transportation through December 31, 2019. New companies shall make the statement on or before the June 1 after the location of their road.
    When the statement has once been made, it is not necessary to report the description as required above unless directed to do so by the Department, but the company shall, on or before June 1, annually, report all additions or changes in its property in this State as have occurred.
    The return required by this Section should be made by the using company, but all property which is operated under one control shall be returned as provided in this Section.
(Source: P.A. 97-481, eff. 8-22-11.)

35 ILCS 200/11-90

    (35 ILCS 200/11-90)
    Sec. 11-90. Information schedules. Each year every railroad company in this State shall return to the Department, in addition to any other information required by this Code, sworn statements or schedules as follows:
        (a) The amount of capital stock authorized and the
    
total number of shares of capital stock.
        (b) The amount of capital stock issued and
    
outstanding.
        (c) The market value, or if no market value then the
    
estimated value, of the shares of stock outstanding.
        (d) The total amount of all bonds outstanding and all
    
other indebtedness.
        (e) The market value, or if no market value then the
    
estimated value, of all bonds outstanding and all other indebtedness.
        (f) A statement in detail of the entire gross
    
receipts and net earnings of the company during the 5 calendar years preceding the assessment date within this State, and of the entire system from all sources.
        (g) The length of the first, second, third and other
    
main tracks and all side tracks and turnouts showing the proportions within this State and elsewhere.
        (h) The reproduction cost of the property within
    
Illinois and the total reproduction cost of all property of the company. The reproduction cost, so far as applicable, shall be as last determined by the United States Interstate Commerce Commission, or other competent authority, plus additions and betterments, less retirements and depreciation to the December 31 preceding the assessment date.
        (i) An enumeration and classification of all rolling
    
stock and car equipment owned or leased by the company. The classification shall show type of equipment and circumstances of ownership and use. The enumeration shall include rolling stock used over the track of other companies under any trackage right agreement. All other property used in connection with a trackage right agreement shall be listed.
        (j) Any other information the Department may require
    
to determine the fair cash value of the property of any railroad company, or necessary to carry out the provisions of this Code, including information pertaining to any potential increases in the property's overall valuation that is directly attributable to the investment, improvement, replacement, or expansion of railroad operating property on or after January 1, 2010, through State or federal governmental programs, including cooperative agreements, necessary for higher speed passenger rail transportation through December 31, 2019.
    Such statements or schedules shall conform to the instructions and forms prescribed by the Department.
    In cases where a railroad company uses property owned by another, the return shall be made by the using company and all property operated under one control shall be returned as provided above.
(Source: P.A. 97-481, eff. 8-22-11.)

35 ILCS 200/11-95

    (35 ILCS 200/11-95)
    Sec. 11-95. Listing of non-carrier real estate. Every railroad company subject to assessment in this State shall annually return to the Department a list of its non-carrier real estate in this State, providing its description, the current assessed value, and the estimated true value of all non-carrier real estate both within and outside of this State, and any other information the Department may require. The Department shall examine the list and make whatever additions or alterations it may find necessary, and transmit to the proper assessing officials of each county in which non-carrier real estate is located, the list described above, together with any other information it considers pertinent. If additions or alterations to the list are made by the Department, the revised list shall also be sent to the reporting carrier. The proper assessing officials of each county shall then assess the non-carrier real estate in the same manner as similar locally assessed property belonging to individuals, except that it shall be treated as property belonging to railroads. If any parcels are not platted, any description is sufficient which would enable a competent surveyor to locate the property.
    Property listed as non-carrier real estate shall also include the property index number in counties where such a numbering system has been adopted.
(Source: P.A. 84-777; 84-1013; 88-455.)

35 ILCS 200/11-100

    (35 ILCS 200/11-100)
    Sec. 11-100. Proration of value; property outside of State. If any railroad company owns or uses operating property partly within and partly outside of this State, the Department shall determine the value of the entire operating property of the railroad but shall take only that part of the entire value as is represented by the average percentage of (a) the length of all track including main, second and additional main track, side track and turnouts within this State, (b) its gross revenues arising from railroad operations in this State, (c) the reproduction cost of its operating property within this State, as determined by the Interstate Commerce Commission of the United States, or other competent authority, plus additions and betterments, less retirements and depreciation. Nothing in this section shall be construed to preclude the use or substitution of other factors or methods as may appear reasonable and necessary in determining the proportion of a railroad's operating property within this State.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/11-105

    (35 ILCS 200/11-105)
    Sec. 11-105. Description of railroad track. The right of way, including the superstructures of first, second, third and other main tracks and all side tracks and turnouts, and the stations and improvements of the railroad company on the right of way and all other taxable operating property of the railroad company shall be denominated "railroad track" and shall be so listed and valued. "Railroad track" shall be described in the assessment thereof as a strip of land extending on each side of the track and embracing the same, together with all the stations and improvements and other taxable operating property thereon, commencing where the track crosses the boundary line in entering the taxing district, and extending to where the track crosses the boundary line leaving the taxing district, or to the point of termination in the district, as the case may be, containing .... acres, more or less (inserting name of taxing district, boundary line of same, and number of acres and length in miles), and when advertised or sold for taxes no other description is necessary. Where a railroad company has taxable operating property in taxing districts in which it owns or uses no tracks or trackage rights, the property shall be described the same as similar property belonging to individuals.
(Source: P.A. 81-1stSS-1; 88-455.)

35 ILCS 200/11-110

    (35 ILCS 200/11-110)
    Sec. 11-110. Certification of railroad assessments. The equalized assessed value of the operating property of every railroad company subject to assessment, when determined as prescribed in Section 11-80, shall be listed and taxed in the several taxing districts in the proportion that the length of all the track owned or used in such taxing district bears to the whole length of all the track owned or used in this state, except the value of all buildings of an original cost exceeding $1,000, which are considered to have a situs in the taxing district in which they are located. Where any railroad company operates in this State, in whole or in part over the tracks of another company, under any trackage right agreement, the value of the trackage rights, including the other taxable operating property (except buildings of an original cost exceeding $1,000) used or connected therewith, shall be taxed in each taxing district in the proportion that the length of all the track so used under the agreement, in the taxing district bears to the whole length of all the track so used in this state. Where a railroad company holds taxable operating property in a taxing district, and owns or uses no tracks, or trackage rights in that district, the property shall be taxed in the taxing district.
    The Department shall distribute the equalized assessed value of the taxable property of every railroad company (other than non-carrier real estate), when determined as prescribed in Section 11-80, to the respective taxing districts entitled to it and shall certify the same to the county clerks of the respective counties, who shall extend taxes against those values the same as against other property in the taxing districts.
(Source: P.A. 81-1stSS-1; 88-455.)

35 ILCS 200/11-115

    (35 ILCS 200/11-115)
    Sec. 11-115. Failure to file schedules. In case any railroad company neglects to return to the Department any statements or schedules required to be returned to the Department, within the time required, the Department shall proceed to assess the property of the railroad company according to its best information and judgment at 33 1/3% of its fair cash value, and may add to the valuation thereof an amount equal to 50% of the valuation. If good cause is shown, the Department may, in its discretion, grant reasonable extensions of time for filing any required statement or schedule.
    Anyone who makes any statement or schedule to the Department and wilfully swears falsely in any material matter shall be guilty of perjury and punished accordingly.
    No railroad company wilfully refusing or neglecting to return any information required by this Code shall be heard to object to the legality of its assessment in any court of this state.
(Source: P.A. 79-703; 88-455.)

35 ILCS 200/11-120

    (35 ILCS 200/11-120)
    Sec. 11-120. Platting by railroad company. When any railroad company makes or records a plat of any contiguous lots or parcels of land belonging to it, they may be described as designated on the plat.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/11-125

    (35 ILCS 200/11-125)
    Sec. 11-125. Department rules on railroad assessments. The Department may adopt rules and regulations as it considers necessary to carry out the provisions of Sections 11-70 through 11-120. The rules and regulations when adopted, if not inconsistent with this Code, shall be as binding and of the same effect as if contained in this Code.
(Source: Laws 1943, vol. 1, p. 1136; P.A. 88-455.)

35 ILCS 200/Art. 11 Div. 4

 
    (35 ILCS 200/Art. 11 Div. 4 heading)
DIVISION 4. REGIONAL WATER TREATMENT FACILITIES

35 ILCS 200/11-130

    (35 ILCS 200/11-130)
    Sec. 11-130. Legislative findings. The General Assembly finds that it is the policy of this State to ensure and encourage the availability of safe potable water for our cities, villages, towns, and rural residents and that it has become increasingly difficult and cost prohibitive for smaller cities, towns, and villages to construct, maintain, or operate, to current standards, water treatment facilities. It is the further finding of the General Assembly that regional treatment facilities capable of supplying several cities, villages, towns, public water districts, public water commissions, and rural water companies with treated water offer a viable economic solution to this concern and it should be the policy of the State to encourage the construction and operation of regional water treatment facilities capable of providing treated, potable water to cities, villages, towns, public water districts, public water commissions, and rural water companies, thereby relieving the burden on those entities and their citizens from constructing and maintaining their own individual treatment facilities.
(Source: P.A. 92-278, eff. 1-1-02.)

35 ILCS 200/11-135

    (35 ILCS 200/11-135)
    Sec. 11-135. Definitions. For purposes of this Division 4:
    "Department" means the Illinois Department of Revenue.
    "Not for profit corporation" means an Illinois corporation organized and existing under the General Not For Profit Corporation Act of 1986 in good standing with the State and having been granted status as an exempt organization under Section 501(c) of the Internal Revenue Code, or any successor or similar provision of the Internal Revenue Code.
    "Public water commission" means a water commission organized and existing under Division 135 of Article 11 of the Illinois Municipal Code.
    "Public water district" means a water district organized and existing under the Public Water District Act.
    "Qualifying water treatment facility" means a water treatment facility that is owned by a not for profit corporation whose members consist exclusively of one or more incorporated city, village, or town of this State, and any number of public water districts, any number of public water commissions, or any number of rural water companies and that sells potable water to the corporation's members on a mutual or cooperative and not for profit basis.
    "Rural water company" means a not for profit corporation whose primary purpose is to own, maintain, and operate a potable water distribution system distributing water to residences, farms, or businesses exclusively in the State of Illinois and not otherwise served by any city, village, town, public water district, or public water commission.
    "Water treatment facility" means a plant or facility whose primary function is to treat raw water and to produce potable water for distribution, together with all other real and personal property reasonably necessary to collect, treat, or distribute the water.
(Source: P.A. 92-278, eff. 1-1-02.)

35 ILCS 200/11-140

    (35 ILCS 200/11-140)
    Sec. 11-140. Valuation policy. Qualifying water treatment facilities shall be valued for purposes of computing the assessed valuation on the basis of 33 1/3% of the fair cash value.
(Source: P.A. 92-278, eff. 1-1-02.)

35 ILCS 200/11-145

    (35 ILCS 200/11-145)
    Sec. 11-145. Method of valuation for qualifying water treatment facilities. To determine 33 1/3% of the fair cash value of any qualifying water treatment facility in assessing the facility, the Department shall take into consideration the probable net value that could be realized by the owner if the facility were removed and sold at a fair, voluntary sale, giving due account to the expense of removal, site restoration, and transportation. The net value shall be considered to be 33 1/3% of fair cash value.
(Source: P.A. 92-278, eff. 1-1-02.)

35 ILCS 200/11-150

    (35 ILCS 200/11-150)
    Sec. 11-150. Exclusion of for-profit water treatment facilities. In no event shall the valuation set forth in this Division 4 be available to a water treatment facility that sells water "for profit".
(Source: P.A. 92-278, eff. 1-1-02.)

35 ILCS 200/11-155

    (35 ILCS 200/11-155)
    Sec. 11-155. Certification and assessment authority. For tax purposes, a qualifying water treatment facility shall be certified as such by the Director of Natural Resources and shall be assessed by the Department of Revenue.
(Source: P.A. 92-278, eff. 1-1-02.)

35 ILCS 200/11-160

    (35 ILCS 200/11-160)
    Sec. 11-160. Approval procedure. Application for approval as a qualifying water treatment facility shall be filed with the Department of Natural Resources in the manner and form prescribed by the Director of National Resources. The application shall contain appropriate and available descriptive information concerning anything claimed to be entitled to tax treatment as defined in this Division 4. If it is found that the facility meets the definition, the Director of Natural Resources, or his or her duly authorized designee, shall enter a finding and issue a certificate that requires tax treatment as a qualifying water treatment facility. The effective date of a certificate shall be on January 1 preceding the date of certification or preceding the date construction or installation of the facility commences, whichever is later.
(Source: P.A. 92-278, eff. 1-1-02.)

35 ILCS 200/11-165

    (35 ILCS 200/11-165)
    Sec. 11-165. Judicial review; qualifying water treatment facilities. Any applicant or holder aggrieved by the issuance, refusal to issue, denial, revocation, modification, or restriction of a qualifying water treatment facility certificate may appeal the finding and order of the Department of Natural Resources under the Administrative Review Law.
(Source: P.A. 92-278, eff. 1-1-02.)

35 ILCS 200/11-170

    (35 ILCS 200/11-170)
    Sec. 11-170. Procedures for assessment; qualifying water treatment facilities. Proceedings for assessment or reassessment of property certified to be a qualifying water treatment facility shall be conducted in accordance with procedural rules adopted by the Department, in conformity with this Code.
(Source: P.A. 92-278, eff. 1-1-02.)

35 ILCS 200/Art. 12

 
    (35 ILCS 200/Art. 12 heading)
Article 12. Assessment Notice and Publication Provisions

35 ILCS 200/Art. 12 Div. 1

 
    (35 ILCS 200/Art. 12 Div. 1 heading)
Division 1. Initial Assessment Process

35 ILCS 200/12-5

    (35 ILCS 200/12-5)
    Sec. 12-5. Taxpayer entitled to statement of valuation. The chief county assessment officer, when requested, shall deliver to any person a copy of the description or statement of property assessed in his or her name or in which he or she is interested, and the valuation placed thereon by the assessor, chief county assessment officer, board of review, or board of appeals.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/12-10

    (35 ILCS 200/12-10)
    Sec. 12-10. Publication of assessments; counties of less than 3,000,000. In counties with less than 3,000,000 inhabitants, as soon as the chief county assessment officer has completed the assessment in the county or in the assessment district, he or she shall, in each year of a general assessment, publish for the county or assessment district a complete list of the assessment, by townships if so organized. In years other than years of a general assessment, the chief county assessment officer shall publish a list of property for which assessments have been added or changed since the preceding assessment, together with the amounts of the assessments, except that publication of individual assessment changes shall not be required if the changes result from equalization by the supervisor of assessments under Section 9-210, or Section 10-200, in which case the list shall include a general statement indicating that assessments have been changed because of the application of an equalization factor and shall set forth the percentage of increase or decrease represented by the factor. The publication shall be made on or before December 31 of that year, and shall be printed in some public newspaper or newspapers published in the county. In every township or assessment district in which there is published one or more newspapers of general circulation, the list of that township shall be published in one of the newspapers.
    At the top of the list of assessments there shall be a notice in substantially the following form printed in type no smaller than eleven point:
"NOTICE TO TAXPAYERS
    Median Level of Assessment--(insert here the median level of assessment for the assessment district)
    Your property is to be assessed at the above listed median level of assessment for the assessment district. You may check the accuracy of your assessment by dividing your assessment by the median level of assessment. The resulting value should equal the estimated fair cash value of your property. If the resulting value is greater than the estimated fair cash value of your property, you may be over-assessed. If the resulting value is less than the fair cash value of your property, you may be under-assessed. You may appeal your assessment to the Board of Review."
    The notice published under this Section shall also include the following:
        (1) A statement advising the taxpayer that
    
assessments of property, other than farm land and coal, are required by law to be assessed at 33 1/3% of fair market value.
        (2) The name, address, phone number, office hours,
    
and, if one exists, the website address of the assessor.
        (3) A statement advising the taxpayer of the steps to
    
follow if the taxpayer believes the full fair market value of the property is incorrect or believes the assessment is not uniform with other comparable properties in the same neighborhood. The statement shall also (i) advise all taxpayers to contact the township assessor's office, in those counties under township organization, first to review the assessment, (ii) advise all taxpayers to file an appeal with the board of review if not satisfied with the assessor review, and (iii) give the phone number to call for a copy of the board of review rules; if the Board of Review maintains a web site, the notice must also include the address of the website where the Board of Review rules can be viewed.
        (4) A statement advising the taxpayer that there is a
    
deadline date for filing an appeal with the board of review and indicating that deadline date (30 days following the scheduled publication date).
        (5) A brief explanation of the relationship between
    
the assessment and the tax bill.
        (6) In bold type, a notice of possible eligibility
    
for the various homestead exemptions as provided in Section 15-165 through Section 15-175 and Section 15-180.
    The newspaper shall furnish to the local assessment officers as many copies of the paper containing the assessment list as they may require.
(Source: P.A. 97-146, eff. 7-14-11.)

35 ILCS 200/12-15

    (35 ILCS 200/12-15)
    Sec. 12-15. Publication fee - Counties of less than 3,000,000. The newspaper shall be paid a fee for publishing the assessment list according to the following schedule:
    (a) For a parcel listing including the name of the property owner, a property index number, property address, or both, and the total assessment, 80 per parcel;
    (b) (Blank);
    (c) (Blank);
    (d) (Blank);
    (e) (Blank);
    (f) (Blank); and
    (g) For the preamble, headings, and any other explanatory matter either required by law, or requested by the supervisor of assessments, to be published, the rate shall be set according to the Legal Advertising Rate Act.
(Source: P.A. 97-146, eff. 7-14-11.)

35 ILCS 200/12-20

    (35 ILCS 200/12-20)
    Sec. 12-20. Publication of assessments; counties of 3,000,000 or more. In counties with 3,000,000 or more inhabitants, in each year of a general assessment, for each county or assessment district therein if the county is divided into assessment districts as provided in Section 9-220, the county assessor shall publish a complete assessment list as soon as the assessment is completed as required under this Section. If the county assessor revises the assessment after the complete assessment list is published, then the county assessor must publish a subsequent list of all the revised assessments for that year. In years other than years of a general assessment or reassessment, the county assessor shall cause to be published, within the time and in the manner described here, a complete list of assessments in which changes are made together with the changes made in the valuation or assessment of property since the last preceding assessment. The publication shall contain a copy of the land value map for the township, if required by the Department.
    The publication of the assessments or the changes shall be printed in some newspaper or newspapers of general circulation published in the county except that, in every township or incorporated town which has superseded a civil township, in which there is published one or more newspapers of general circulation, the assessment list of each township shall be published in one of the newspapers. In cities of more than 2,000,000 inhabitants, the assessment list of the city shall be printed in one or more newspapers of general circulation published in the township assessment district within the city or, in the event a newspaper of general circulation is not published within the township assessment district, in one or more newspapers of general circulation published within the city.
    Any newspaper publishing an assessment list under this Section is entitled to a fee of 40 per column line for publishing the list.
(Source: P.A. 93-759, eff. 1-1-05.)

35 ILCS 200/12-25

    (35 ILCS 200/12-25)
    Sec. 12-25. Contents of assessment list publication; payment. In all counties, the expense of printing and publication of assessment lists shall be paid out of the county treasury. The publication of the assessments shall include the name of the owner or of the person who last paid the taxes on each property, and the total amount of its assessment. When any property so assessed is susceptible of description or identification by street name and street or house number, or by a property index number, the publication of the street name and street or house number, or property index number shall constitute a sufficient description of the property for the purposes of publication required by this Code.
(Source: P.A. 97-146, eff. 7-14-11.)

35 ILCS 200/12-30

    (35 ILCS 200/12-30)
    Sec. 12-30. Mailed notice of changed assessments; counties of less than 3,000,000.
    (a) In every county with less than 3,000,000 inhabitants, in addition to the publication of the list of assessments in each year of a general assessment and of the list of property for which assessments have been added or changed, as provided above, a notice shall be mailed by the chief county assessment officer to each taxpayer whose assessment has been changed since the last preceding assessment, using the address as it appears on the assessor's records, except in the case of changes caused by a change in the county equalization factor by the Department or in the case of changes resulting from equalization by the chief county assessment officer under Section 9-210, during any year such change is made. The notice may, but need not be, sent by a township assessor.
    (b) The notice sent under this Section shall include the following:
        (1) The previous year's assessed value after board of
    
review equalization.
        (2) Current assessed value and the date of that
    
valuation.
        (3) The percentage change from the previous assessed
    
value to the current assessed value.
        (4) The full fair market value (as indicated by
    
dividing the current assessed value by the median level of assessment in the assessment district as determined by the most recent 3 year assessment to sales ratio study adjusted to take into account any changes in assessment levels since the data for the studies were collected).
        (5) A statement advising the taxpayer that
    
assessments of property, other than farm land and coal, are required by law to be assessed at 33 1/3% of fair market value.
        (6) The name, address, phone number, office hours,
    
and, if one exists, the website address of the assessor.
        (7) Where practicable, the notice shall include the
    
reason for any increase in the property's valuation.
        (8) The name and price per copy by mail of the
    
newspaper in which the list of assessments will be published and the scheduled publication date.
        (9) A statement advising the taxpayer of the steps to
    
follow if the taxpayer believes the full fair market value of the property is incorrect or believes the assessment is not uniform with other comparable properties in the same neighborhood. The statement shall also (i) advise all taxpayers to contact the township assessor's office, in those counties under township organization, first to review the assessment, (ii) advise all taxpayers to file an appeal with the board of review if not satisfied with the assessor review, and (iii) give the phone number to call for a copy of the board of review rules.
        (10) A statement advising the taxpayer that there is
    
a deadline date for filing an appeal with the board of review and indicating that deadline date (30 days following the scheduled publication date).
        (11) A brief explanation of the relationship between
    
the assessment and the tax bill (including an explanation of the equalization factors) and an explanation that the assessment stated for the preceding year is the assessment after equalization by the board of review in the preceding year.
        (12) In bold type, a notice of possible eligibility
    
for the various homestead exemptions as provided in Section 15-165 through Section 15-175 and Section 15-180.
    (c) In addition to the requirements of subsection (b) of this Section, in every county with less than 3,000,000 inhabitants, where the chief county assessment officer maintains and controls an electronic database containing the physical characteristics of the property, the notice shall include the following:
        (1) The physical characteristics of the taxpayer's
    
property that are available from that database; or
        (2) A statement advising the taxpayer that detailed
    
property characteristics are available on the county website and the URL address of that website.
    (d) In addition to the requirements of subsection (b) of this Section, in every county with less than 3,000,000 inhabitants, where the chief county assessment officer does not maintain and control an electronic database containing the physical characteristics of the property, and where one or more townships in the county maintain and control an electronic database containing the physical characteristics of the property and some or all of the database is available on a website that is maintained and controlled by the township, the notice shall include a statement advising the taxpayer that detailed property characteristics are available on the township website and the URL address of that website.
    (e) Except as provided in this Section, the form and manner of providing the information and explanations required to be in the notice shall be prescribed by the Department.
(Source: P.A. 96-122, eff. 1-1-10.)

35 ILCS 200/12-35

    (35 ILCS 200/12-35)
    Sec. 12-35. Notice sent to address of mortgage lender. Whenever a notice is to be mailed as provided in Section 12-30, and the address that appears on the assessor's records is the address of a mortgage lender, or in any event whenever the notice is mailed by the township assessor or chief county assessment officer to a taxpayer at or in care of the address of a mortgage lender, the mortgage lender, within 15 days of the mortgage lender's receipt of the notice, shall mail a copy of the notice to each mortgagor of the property referred to in the notice at the last known address of each mortgagor as shown on the records of the mortgage lender.
(Source: P.A. 100-201, eff. 8-18-17.)

35 ILCS 200/Art. 12 Div. 4

 
    (35 ILCS 200/Art. 12 Div. 4 heading)
Division 4. Revisions and corrections

35 ILCS 200/12-40

    (35 ILCS 200/12-40)
    Sec. 12-40. Notice provisions; equalization by board of review. The assessment of any class of property or of any township or multi-township or part thereof, or any portion of the county, shall not be increased by an equalization factor applied by a board of review until the board has made one publication of notice in a newspaper of general circulation published in the county, of such proposed increase and has given an opportunity to be heard, within 20 days of the publication date, to the owners of the property affected or any one representing them, and other citizens of the territory. The assessor or chief county assessment officer shall have like opportunity to be heard thereon, except where such action is taken in individual cases upon complaint. The board shall hear any person, upon request, in opposition to a proposed reduction in the assessment of any person or territory.
(Source: P.A. 86-345; 86-413; 86-1028; 86-1481; 88-455.)

35 ILCS 200/12-45

    (35 ILCS 200/12-45)
    Sec. 12-45. Publication of certificates of error. At the time publication is made under Section 12-60, the board of review shall also publish a complete list of the changes made in assessments by the issuance of certificates of error under Sections 14-20 and 16-75. The published list shall contain for each change the information enumerated in Section 12-25 and shall show the amount of the assessment prior to and after the action of the board of review. Publication shall be made in some newspaper or newspapers of general circulation published in the county in which the assessment is made, except that in every township or assessment district in which there is published one or more newspapers of general circulation, the list of that township shall be published in one of those newspapers.
    This Section applies prior to the effective date of this amendatory Act of the 97th General Assembly, but does not apply for any certificate of error issued on or after the effective date of this amendatory Act.
(Source: P.A. 97-146, eff. 7-14-11.)

35 ILCS 200/12-50

    (35 ILCS 200/12-50)
    Sec. 12-50. Mailed notice to taxpayer after change by board of review or board of appeals. In counties with less than 3,000,000 inhabitants, if final board of review or board of appeals action regarding any property, including equalization under Section 16-60 or Section 16-65, results in an increased or decreased assessment, the board shall mail a notice to the taxpayer whose property is affected by such action, at his or her address as it appears on the complaint, unless the taxpayer has been represented in the appeal by an attorney, in which case the notice shall be mailed to the attorney, and in the case of a complaint filed with a board of review under Section 16-25 or 16-115, the board shall mail a notice to the taxing body filing the complaint. In counties with 3,000,000 or more inhabitants, the board shall provide notice by mail, or by means of electronic record, to the taxpayer whose property is affected by such action, at his or her address or e-mail address as it appears in the assessment records or a complaint filed with the board, unless the taxpayer has been represented in the appeal by an attorney, in which case the notice shall be mailed or e-mailed to the attorney, and, in the case of a complaint filed with a board of review under Section 16-125 or 16-115, the board shall provide notice to the taxing body filing the complaint. A copy shall be given to the assessor or chief county assessment officer if his or her assessment was reversed or modified by the board. Written notice shall also be given to any taxpayer who filed a complaint in writing with the board and whose assessment was not changed. The notice shall set forth the assessed value prior to board action; the assessed value after final board action but prior to any equalization; and the assessed value as equalized by the board, if the board equalizes. This notice shall state that the value as certified to the county clerk by the board will be the locally assessed value of the property for that year and each succeeding year, unless revised in a succeeding year in the manner provided in this Code. The written notice shall also set forth specifically the facts upon which the board's decision is based. In counties with less than 3,000,000 inhabitants, the notice shall also contain the following statement: "You may appeal this decision to the Property Tax Appeal Board by filing a petition for review with the Property Tax Appeal Board within 30 days after this notice is mailed to you or your agent, or is personally served upon you or your agent". In counties with 3,000,000 or more inhabitants, the notice shall also contain the following statement: "You may appeal this decision to the Property Tax Appeal Board by filing a petition for review with the Property Tax Appeal Board within 30 days after the date of this notice or within 30 days after the date that the Board of Review transmits to the county assessor pursuant to Section 16-125 its final action on the township in which your property is located, whichever is later". The Board shall publish its transmittal date of final action on each township in at least one newspaper of general circulation in the county. The changes made by this amendatory Act of the 91st General Assembly apply to the 1999 assessment year and thereafter.
(Source: P.A. 97-1054, eff. 1-1-13.)

35 ILCS 200/12-55

    (35 ILCS 200/12-55)
    Sec. 12-55. Notice requirement if assessment is increased; counties of 3,000,000 or more.
    (a) In counties with 3,000,000 or more inhabitants, a revision by the county assessor, except where such revision is made on complaint of the owner, shall not increase an assessment without notice to the person to whom the most recent tax bill was mailed and an opportunity to be heard before the assessment is verified. When a notice is mailed by the county assessor to the address of a mortgagee, the mortgagee, within 7 business days after the mortgagee receives the notice, shall forward a copy of the notice to each mortgagor of the property referred to in the notice at the last known address of each mortgagor as shown on the records of the mortgagee. There shall be no liability for the failure of the mortgagee to forward the notice to each mortgagor. The assessor may provide for the filing of complaints and make revisions at times other than those dates published under Section 14-35. When the county assessor has completed the revision and correction and entered the changes and revision in the assessment books, an affidavit shall be attached to the assessment books in the form required by law, signed by the county assessor.
    (b) In counties with 3,000,000 or more inhabitants, for parcels, other than parcels in the class that includes the majority of the single-family residential parcels under a county ordinance adopted in accordance with Section 4 of Article IX of the Illinois Constitution, located in the assessment district for which the current assessment year is a general assessment year, within 30 days after sending the required notices under this Section, the county assessor shall file with the board of appeals (until the first Monday in December 1998, and the board of review beginning the first Monday in December 1998 and thereafter) a list of the parcels for which the notices under this Section were sent, showing the following information for each such parcel: the parcel index number, the township in which the parcel is located, the class for the current year, the previous year's final total assessed value, the total assessed value proposed by the county assessor, and the name of the person to whom the notice required under this Section was sent. The list shall be available for public inspection at the office of the board during the regular office hours of the board. The list shall be retained by the board for at least 10 years after the date it is initially filed by the county assessor.
    (c) The provisions of subsection (b) of this Section shall be applicable beginning with the assessment for the 1997 tax year.
(Source: P.A. 90-4, eff. 3-7-97; 91-751, eff. 6-2-00.)

35 ILCS 200/12-60

    (35 ILCS 200/12-60)
    Sec. 12-60. List of assessment changes; publications. When the board of review in any county with less than 3,000,000 inhabitants decides to reverse or modify the action of the chief county assessment officer, or to change the list as completed, or the assessment or description of any property, the changes shall be entered upon the assessment books.
    On or before the annual date for adjournment as fixed by Section 16-35, the board of review shall make a full and complete list, by township if the county is so organized, of all changes in assessments made by the board of review prior to the adjournment date. The list shall contain the information enumerated in Section 12-25 and shall show the amount of the assessment as it appeared prior to and after being acted upon by the board of review. The board of review need not show on the list changes which only correct the description of the assessed property, the ownership of the property, or the name of the person in whose name the property is assessed. Changes by the board that raise or lower, on a percentage basis, the total assessed value of property in any assessment district or the value of a particular class of property, need not be shown on the list. However, the list shall contain a general statement indicating that a change has been made and shall state the percentage of increase or decrease.
    The board of review shall deliver a copy of the list to the county clerk who shall file it in his or her office, and a copy to the chief county assessment officer. The lists shall be public records and open to inspection of all persons, and shall be preserved or destroyed in the manner described in Section 16-90.
(Source: P.A. 97-146, eff. 7-14-11.)

35 ILCS 200/12-65

    (35 ILCS 200/12-65)
    Sec. 12-65. (Repealed).
(Source: P.A. 88-455. Repealed by P.A. 97-146, eff. 1-1-12.)

35 ILCS 200/Art. 13

 
    (35 ILCS 200/Art. 13 heading)
Article 13. Reassessment Procedures

35 ILCS 200/13-5

    (35 ILCS 200/13-5)
    Sec. 13-5. Reassessment in disaster areas. In every county which has been declared a major disaster area by the President of the United States or the Governor of the State of Illinois, the chief county assessment officer, board of review or board of appeals shall, upon application by the property owner, make a reassessment of any taxable property in the county which was substantially damaged by the disaster. The Department shall advise with the chief county assessment officers, boards of review or boards of appeals of the several counties involved in connection with such reassessment.
    In the reassessment, the value of the property shall be determined as of the date of the declaration of the county as a major disaster area. If the value of any property on that date is, by reason of the disaster, less than the prior assessment, the assessment for that year shall be arrived at by dividing by 365 the sum of the 2 products obtained (a) by multiplying the prior assessment by the number of days from January 1 of that year to the date of the declaration and (b) by multiplying the value of the property as of the date of the declaration by the number of days from the date of the declaration to December 31 of that year.
    If the reassessment and computations occur prior to the adjournment of the current board of review or board of appeals, the assessment of the property shall be reduced accordingly. If the board of review or board of appeals has adjourned at the time of the declaration, the Department shall convene the board of review or board of appeals to make the reassessment of property applied for after that adjournment.
(Source: P.A. 83-121; 88-455.)

35 ILCS 200/13-10

    (35 ILCS 200/13-10)
    Sec. 13-10. Reassessment order by Department. Whenever it appears to the Department that the property in any county, or in any assessment district, has not been assessed in substantial compliance with law, the Department may, in its discretion, in any year, either before or after the original assessment is completed by the local assessment officers, order a reassessment by the local assessing officers for that year of all or any class of the taxable property in the county or assessment district. The reassessment shall be substituted for the original assessment. The order directing a reassessment shall be filed in the office of the county treasurer of the county in which the reassessment has been ordered, except in counties having an elective board of review or board of appeals in which case the order shall be filed with that board.
    If any general assessment is not published in any year for which the assessment was made, or if that publication was not made in time to permit the examination thereof by the Department in that year, the Department may in any of the 3 years intervening between the years for which general assessments are made, order reassessment of the last general assessment of all or any class of property in the county or assessment district, and the reassessment shall be substituted for the original general assessment for the intervening year and thereafter until the next general assessment is made.
    No substitute assessment shall invalidate any prior assessment as to taxes extended thereon.
    The Department may order the board of review of any county not having an elected county assessor and an elective board of review to convene in extraordinary session for the purpose of further revising, correcting and equalizing the assessment of property within that county.
    When a reassessment has been ordered under this Section, the individual assessments made under such order shall be reviewed, revised and corrected by townships or taxing districts by the assessors making the reassessment.
    The assessors making the reassessment shall give notice of the order under which it is made showing the class of property affected by the reassessment, each township or taxing district to be reviewed, revised and corrected and the time and place for the revision and correction, by publishing the notice in one or more newspapers, published and having a general circulation in the county, at least 5 days before the time set for the revision in each township or taxing district.
(Source: P.A. 86-1481; 88-455.)

35 ILCS 200/13-15

    (35 ILCS 200/13-15)
    Sec. 13-15. Manner of reassessment. Reassessments shall be made in the same manner and subject to the same laws and rules as an original assessment and shall be subject to review and correction by the board of review or board of appeals as in the case of an original assessment.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/13-20

    (35 ILCS 200/13-20)
    Sec. 13-20. Review and equalization of reassessments. The board of review or board of appeals of the county in which a reassessment is made shall review, correct, and equalize the reassessment in the same manner and subject to the same laws and rules as an original assessment. The Department shall fix the time and place of the meeting of the board to review and correct the reassessment. At least one week before the meeting, the board shall publish a notice of the time and place of its meeting, in at least one newspaper of general circulation published in the county in which the reassessment is made, except that in every township in which there is published one or more newspapers of general circulation the notice shall be published in one of those newspapers in each township. The board shall convene at the time and place fixed in the order, and shall review, correct, return and certify the reassessment in like manner, and shall have and exercise all the powers and authority given to boards of review or boards of appeals, and shall be subject to all the restrictions, duties and penalties of those boards. When a reassessment has been ordered, the board, at the time and place fixed in the notice given as required by this Section, may hear complaints and review and correct the reassessment by townships or assessment districts, as the reassessment for such townships or assessment districts is completed and certified by the chief county assessment officer, without waiting for the completion of the entire reassessment. Two or more townships or assessment districts may be notified for a revision and correction at the same time.
(Source: Laws 1951, p. 1181; P.A. 88-455.)

35 ILCS 200/13-25

    (35 ILCS 200/13-25)
    Sec. 13-25. Assessment books. Each local assessment officer, while engaged in making a reassessment, shall have custody and possession of the assessment books containing the original assessment and all property and other statements and memoranda relating thereto. The person previously having custody shall deliver the assessment books and other property to the local assessment officer on demand. He or she shall, in making the reassessment, have all the power and authority given by law to local assessment officers and shall be subject to all the restrictions, liabilities and penalties imposed by law upon local assessment officers.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/13-30

    (35 ILCS 200/13-30)
    Sec. 13-30. Reassessment supplies; compensation. The necessary books, records and blank forms needed for a reassessment shall be furnished by the same authorities that furnish books, records and blank forms for an original assessment. Local assessment officers and the members of the board of appeals, when convened in extraordinary session to make a reassessment or to review and correct the reassessment shall receive the same compensation as for like service in making or reviewing an original assessment. The compensation and all other expenses in making the reassessment shall be paid by the county on the certificate of the Department. However, the township, townships or other assessment district or districts in which the reassessment is accomplished, shall reimburse the county for all expenses, including amounts expended as salaries or compensation, which the county has incurred by reason of the reassessment. The amount to be contributed to the county by each such township or other assessment district shall be apportioned on the basis of the expense incurred in reassessing that township or assessment district.
(Source: P.A. 84-582; 88-455.)

35 ILCS 200/13-35

    (35 ILCS 200/13-35)
    Sec. 13-35. Effect of reassessment. A reassessment, when completed and revised under this Code, shall be the assessment upon which taxes for that year shall be levied and extended in the county or assessment district for which the reassessment was made.
(Source: Laws 1939, p. 886; P.A. 88-455.)

35 ILCS 200/Art. 14

 
    (35 ILCS 200/Art. 14 heading)
Article 14. Revisions and Corrections

35 ILCS 200/14-5

    (35 ILCS 200/14-5)
    Sec. 14-5. Incorrect listing; refund.
    (a) An assessment shall not be considered as invalid because the assessment was not correctly listed or because the assessment was not in the name of the true owner or owners.
    (b) If, because of an error by an assessor, a property is assessed in the name of a person who is not the true owner, and that person pays taxes on the property, the amounts so paid shall be refunded. A claim for refund shall be initiated by filing a complaint with the board of review or board of appeals and the board shall allow the refund if the requirements of this Section are met. If the refund is ordered, the refund shall be made by the county collector in the manner provided by Section 20-175. A claim for refund under this Section must be made within 5 years after the taxes were incorrectly paid. Upon allowing a refund, the board of review or board of appeals shall list and assess the property in the name of the correct owner under Section 9-265.
(Source: P.A. 86-180; 88-455.)

35 ILCS 200/14-10

    (35 ILCS 200/14-10)
    Sec. 14-10. Certificate of correction; counties of 3,000,000 or more. If the county assessor in counties with 3,000,000 or more inhabitants, at any time prior to the time the board of appeals (until the first Monday in December 1998 and the board of review beginning the first Monday in December 1998 and thereafter) is required to complete its work and adjourn under Section 16-150, certifies to the board that there is a mistake or error (other than a mistake or error of judgment) in the valuation or assessment of any property, or in the entry of any assessment in the assessment books, the county assessor shall set forth the nature and cause of the mistake or error. The board of appeals (until the first Monday in December 1998 and the board of review beginning the first Monday in December 1998 and thereafter) shall give the person affected by the assessment notice an opportunity to be heard. If the board of appeals (until the first Monday in December 1998 and the board of review beginning the first Monday in December 1998 and thereafter) is satisfied that a mistake or error has occurred, the majority of the members shall endorse it by signing the certificate and shall order the assessor to correct the mistake or error.
(Source: P.A. 88-455; 89-126, eff. 7-11-95; 89-671, eff. 8-14-96.)

35 ILCS 200/14-15

    (35 ILCS 200/14-15)
    Sec. 14-15. Certificate of error; counties of 3,000,000 or more.
    (a) In counties with 3,000,000 or more inhabitants, if, after the assessment is certified pursuant to Section 16-150, but subject to the limitations of subsection (c) of this Section, the county assessor discovers an error or mistake in the assessment, the assessor shall execute a certificate setting forth the nature and cause of the error. The certificate when endorsed by the county assessor, or when endorsed by the county assessor and board of appeals (until the first Monday in December 1998 and the board of review beginning the first Monday in December 1998 and thereafter) where the certificate is executed for any assessment which was the subject of a complaint filed in the board of appeals (until the first Monday in December 1998 and the board of review beginning the first Monday in December 1998 and thereafter) for the tax year for which the certificate is issued, may, either be certified according to the procedure authorized by this Section or be presented and received in evidence in any court of competent jurisdiction. Certification is authorized, at the discretion of the county assessor, for: (1) certificates of error allowing homestead exemptions under Article 15; (2) certificates of error on residential property of 6 units or less; (3) certificates of error allowing exemption of the property pursuant to Section 14-25; and (4) other certificates of error reducing assessed value by less than $100,000. Any certificate of error not certified shall be presented to the court. The county assessor shall develop reasonable procedures for the filing and processing of certificates of error. Prior to the certification or presentation to the court, the county assessor or his or her designee shall execute and include in the certificate of error a statement attesting that all procedural requirements pertaining to the issuance of the certificate of error have been met and that in fact an error exists. When so introduced in evidence such certificate shall become a part of the court records, and shall not be removed from the files except upon the order of the court.
    Certificates of error that will be presented to the court shall be filed as an objection in the application for judgment and order of sale for the year in relation to which the certificate is made or as an amendment to the objection under subsection (b). Certificates of error that are to be certified according to the procedure authorized by this Section need not be presented to the court as an objection or an amendment under subsection (b). The State's Attorney of the county in which the property is situated shall mail a copy of any final judgment entered by the court regarding any certificate of error to the taxpayer of record for the year in question.
    Any unpaid taxes after the entry of the final judgment by the court or certification on certificates issued under this Section may be included in a special tax sale, provided that an advertisement is published and a notice is mailed to the person in whose name the taxes were last assessed, in a form and manner substantially similar to the advertisement and notice required under Sections 21-110 and 21-135. The advertisement and sale shall be subject to all provisions of law regulating the annual advertisement and sale of delinquent property, to the extent that those provisions may be made applicable.
    A certificate of error certified under this Section shall be given effect by the county treasurer, who shall mark the tax books and, upon receipt of one of the following certificates from the county assessor or the county assessor and the board of review where the board of review is required to endorse the certificate of error, shall issue refunds to the taxpayer accordingly:
 
"CERTIFICATION
    I, .................., county assessor, hereby certify
    
that the Certificates of Error set out on the attached list have been duly issued to correct an error or mistake in the assessment."

 
"CERTIFICATION
    I, .................., county assessor, and we,
    
........................................................, members of the board of review, hereby certify that the Certificates of Error set out on the attached list have been duly issued to correct an error or mistake in the assessment and that any certificates of error required to be endorsed by the board of review have been so endorsed."

 
    The county treasurer has the power to mark the tax books to reflect the issuance of certificates of error certified according to the procedure authorized in this Section for certificates of error issued under Section 14-25 or certificates of error issued to and including 3 years after the date on which the annual judgment and order of sale for that tax year was first entered. The county treasurer has the power to issue refunds to the taxpayer as set forth above until all refunds authorized by this Section have been completed.
    To the extent that the certificate of error obviates the liability for nonpayment of taxes, certification of a certificate of error according to the procedure authorized in this Section shall operate to vacate any judgment or forfeiture as to that year's taxes, and the warrant books and judgment books shall be marked to reflect that the judgment or forfeiture has been vacated.
    (b) Nothing in subsection (a) of this Section shall be construed to prohibit the execution, endorsement, issuance, and adjudication of a certificate of error if (i) the annual judgment and order of sale for the tax year in question is reopened for further proceedings upon consent of the county collector and county assessor, represented by the State's Attorney, and (ii) a new final judgment is subsequently entered pursuant to the certificate. This subsection (b) shall be construed as declarative of existing law and not as a new enactment.
    (c) No certificate of error, other than a certificate to establish an exemption under Section 14-25, shall be executed for any tax year more than 3 years after the date on which the annual judgment and order of sale for that tax year was first entered, except that during calendar years 1999 and 2000 a certificate of error may be executed for any tax year, provided that the error or mistake in the assessment was discovered no more than 3 years after the date on which the annual judgment and order of sale for that tax year was first entered.
    (d) The time limitation of subsection (c) shall not apply to a certificate of error correcting an assessment to $1, under Section 10-35, on a parcel that a subdivision or planned development has acquired by adverse possession, if during the tax year for which the certificate is executed the subdivision or planned development used the parcel as common area, as defined in Section 10-35, and if application for the certificate of error is made prior to December 1, 1997.
    (e) The changes made by this amendatory Act of the 91st General Assembly apply to certificates of error issued before, on, and after the effective date of this amendatory Act of the 91st General Assembly.
(Source: P.A. 95-644, eff. 10-12-07.)

35 ILCS 200/14-20

    (35 ILCS 200/14-20)
    Sec. 14-20. Certificate of error; counties of less than 3,000,000. In any county with less than 3,000,000 inhabitants, if, at any time before judgment or order of sale is entered in any proceeding to collect or to enjoin the collection of taxes based upon any assessment of any property, the chief county assessment officer discovers an error or mistake in the assessment (other than errors of judgment as to the valuation of the property), he or she shall issue to the person erroneously assessed a certificate setting forth the nature of the error and the cause or causes of the error. In any county with less than 3,000,000 inhabitants, if an owner fails to file an application for any homestead exemption provided under Article 15 during the previous assessment year and qualifies for the exemption, the Chief County Assessment Officer pursuant to this Section, or the Board of Review pursuant to Section 16-75, shall issue a certificate of error setting forth the correct taxable valuation of the property. The certificate, when properly endorsed by the majority of the board of review, showing their concurrence, and not otherwise, may be used in evidence in any court of competent jurisdiction, and when so introduced in evidence, shall become a part of the court record and shall not be removed from the files except on an order of the court.
(Source: P.A. 96-522, eff. 8-14-09.)

35 ILCS 200/14-25

    (35 ILCS 200/14-25)
    Sec. 14-25. Certificate of error; tax exempt property. If an exemption is approved by the Department or by a final court decision in proceedings to review an exemption decision of the Department under the Administrative Review Law then a certificate of error shall be issued under Section 14-15 or 14-20 if one of the following is met:
    (a) If the property became eligible for the exemption at an earlier time, a certificate of error shall be issued for the period of eligibility, but in no event, except as otherwise provided in this subsection (a), for more than the 3 assessment years immediately preceding the assessment year for which the exemption was approved. A certificate of error shall be issued for the period of eligibility, but in no event for more than the 5 assessment years immediately preceding the assessment year for which the exemption was approved, if the municipality requests the certificate of error before January 1, 1995.
    (b) If the property is subsequently erroneously assessed as non-exempt, that error shall be remedied by the issuance of a certificate of error.
    (c) If the owner failed to file an application for exemption, or a certificate of status under Section 15-10, for an assessment year following the assessment year for which the exemption was approved and the property remains eligible for exemption for the following year.
(Source: P.A. 88-455; 88-660, eff. 9-16-94.)

35 ILCS 200/14-30

    (35 ILCS 200/14-30)
    Sec. 14-30. Hearings on revisions or corrections; public records. In all counties, all hearings held by the chief county assessment officer in support of or in opposition to a proposed revision or correction in assessed valuation shall be open to the public. All files maintained by the chief county assessment officer relating to the assessed valuation of any property, and all complaints, supporting documents, and other evidence submitted by the complainant shall be available for public inspection during regular office hours of the chief county assessment officer.
    If a property owner wishes to support his or her request for a revision or correction of valuation by facts set forth in income tax returns, he or she shall submit the entire return to the chief county assessment officer. However, only the portions of the return relating to the property for which a revision or correction is requested shall be a public record. If requested by the chief county assessment officer, the property owner shall execute a consent in favor of the chief county assessment officer instructing the taxing body with which the income tax return was filed to furnish a certified copy of the return so that the accuracy of the copy submitted to the chief county assessment officer may be verified.
    The chief county assessment officer shall promptly furnish to any person copies of all complaints, supporting documents and other evidence submitted by a complainant, subject to the foregoing qualification, and all public records of the chief county assessment officer for a fee of 35 cents per page of legal size or smaller and $1 for each larger page.
(Source: P.A. 77-1709; 88-455.)

35 ILCS 200/14-35

    (35 ILCS 200/14-35)
    Sec. 14-35. Hearings by county assessor; counties of 3,000,000 or more. In counties with 3,000,000 or more inhabitants, the county assessor each year shall sit for the purpose of revising the assessments. The time of the sittings shall be set by the county assessor by notice as herein provided after the assessment books for one or more townships or taxing districts have been completed. The assessments for one or more townships or taxing districts may be revised at any sitting which may be adjourned from day to day as necessary. At least one week before each sitting the county assessor shall publish a notice, in some newspaper of general circulation published in the county, of the time and place of the sitting, the township or townships, taxing district or taxing districts for which the assessments will be considered at the sitting, and the time within which applications for revisions of assessment may be made by taxpayers. The county assessor shall, upon completion of the revision of assessments for any township or taxing district, deliver the assessment books for the township or taxing district to the board of appeals (until the first Monday in December 1998 and the board of review beginning on the first Monday in December 1998 and thereafter).
(Source: P.A. 88-455; 89-126, eff. 7-11-95; 89-671, eff. 8-14-96.)

35 ILCS 200/14-40

    (35 ILCS 200/14-40)
    Sec. 14-40. Addition of uncollected tax to tax for subsequent year. If the tax or assessment on property liable to taxation is prevented from being collected for any year or years, by a reason other than administrative error, the amount of the tax or assessment which should have been paid may be added to the tax on the property for any subsequent year, in columns designating the year or years. "Administrative error" includes but is not limited to failure to include an extension for a taxing district on the tax bill, an error in the calculations of tax rates or extensions or any other mathematical error by the county clerk, or a defective coding by the county, but does not include a failure by the county to send a tax bill to the taxpayer, the failure by the taxpayer to notify the assessor of a change in the tax-exempt status of property, or any error concerning the assessment of the property.
(Source: P.A. 88-455; 89-617, eff. 9-1-96.)

35 ILCS 200/14-41

    (35 ILCS 200/14-41)
    Sec. 14-41. Notice and collection of arrearages of property taxes. If a taxpayer owes arrearages of taxes due to an administrative error, the county may not bill, collect, claim a lien for, or sell the arrearages of taxes for tax years earlier than the 2 most recent tax years, including the current tax year. If a taxpayer owes arrearages of taxes due to an administrative error, the county collector shall send the taxpayer, by certified mail, a notice that the arrearages of taxes are owed by the taxpayer. If the notice is mailed to the taxpayer on or before October 1 in any year, then (i) the county collector may send a separate bill for the arrearages of taxes, which may be due no sooner than 30 days after the due date for the next installment of taxes or (ii) the arrearages of taxes may be added to the tax bill for the following year, in which case the taxes are due in 2 equal installments on June 1 and September 1 in the following year unless the county has adopted an accelerated method of billing in which case the arrearages of taxes may be billed separately and shall be due in equal installments on the dates on which each installment of taxes is due in the following year. If the notice is mailed after October 1 in any year, then the arrearages of taxes are to be added to the tax bill for the second year after the notice and are due in 2 equal installments on June 1 and September 1 in the second year after the notice unless the county has adopted an accelerated method of billing in which case the arrearages of taxes may be billed separately and shall be due in equal installments on the dates on which each installment of taxes is due in the second year after the notice. In no event shall the due dates on the arrearages of taxes be in more than one tax year. The arrearages of taxes added to a tax bill under this Section are to be listed separately on the tax bill. "Administrative error" includes but is not limited to failure to include an extension for a taxing district on the tax bill, an error in the calculations of tax rates or extensions or any other mathematical error by the county clerk, or a defective coding by the county, but does not include a failure by the county to send a tax bill to the taxpayer, the failure by the taxpayer to notify the assessor of a change in the tax-exempt status of property, or any error concerning the assessment of the property.
(Source: P.A. 98-286, eff. 1-1-14.)

35 ILCS 200/14-45

    (35 ILCS 200/14-45)
    Sec. 14-45. Correction of assessment books by county clerk. Before delivery of the assessment books to the assessor for use in making the assessment of the next year, each county clerk shall correct all errors of whatsoever kind which he or she may discover, and add the name of the owner, if known, when it does not already appear, and the description of all property which has been omitted and is liable to taxation.
(Source: Laws 1939, p. 886; P.A. 88-455.)