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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.

MUNICIPALITIES
(65 ILCS 5/) Illinois Municipal Code.

65 ILCS 5/11-103-5

    (65 ILCS 5/11-103-5) (from Ch. 24, par. 11-103-5)
    Sec. 11-103-5. The corporate authorities of a specified municipality may make all reasonable rules and regulations, for air traffic and airport or landing field conduct, and for the management and control of the municipality's airport or landing field and other air navigation facilities and property under their control. These rules and regulations shall not be in conflict with the laws of the state, or the ordinances of the municipality, or the laws or regulations of the United States, or the regulations of the Illinois Commerce Commission, or the rules, rulings, regulations, orders or decisions of the Department of Transportation.
(Source: P.A. 81-840.)

65 ILCS 5/11-103-6

    (65 ILCS 5/11-103-6) (from Ch. 24, par. 11-103-6)
    Sec. 11-103-6. The corporate authorities of a municipality under this Division 103 may (1) lease all or any part of the municipality's airport, landing field, facilities, and other structures, and fix and collect rentals therefor, (2) fix, charge, and collect rentals, tolls, fees, and charges to be paid, for the use of the whole or any part of the airport or landing field, buildings, or other facilities, (3) make contracts for the operation and management of the airport, landing field, or other air navigation facilities, and (4) provide for the use, management, and operation of the airport, landing field, or air navigation facilities through lessees thereof, or through its own employees, or otherwise. However, no lease for the operation or management of an airport, landing field, or air navigation facilities shall be made for more than one year except to the highest and best bidder, after notice of the lease or contract has been given, not more than 30 nor less than 15 days in advance of the date of the lease or contract, by publishing a notice thereof at least twice in one or more newspapers published in the municipality, or, if no newspaper is published therein, then in one or more newspapers with a general circulation within the municipality. In municipalities with less than 500 population in which no newspaper is published, publication may instead be made by posting a notice in 3 prominent places within the municipality.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-103-7

    (65 ILCS 5/11-103-7) (from Ch. 24, par. 11-103-7)
    Sec. 11-103-7. The corporate authorities of such municipality may vacate roads, highways, streets, and alleys, or parts thereof, within or without the corporate limits of the municipality, when the vacation is deemed essential to the proper and safe construction and maintenance of the municipality's airport or landing field.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-103-8

    (65 ILCS 5/11-103-8) (from Ch. 24, par. 11-103-8)
    Sec. 11-103-8. All appropriations and bond issues for the use of the municipality's airport, landing field, or other air navigation facilities shall be made by the corporate authorities of the municipality in the manner provided by law for other municipal purposes. All warrants upon which any portion of this fund is to be paid out shall bear the signature of the officials that may be designated by the corporate authorities of the municipality.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-103-9

    (65 ILCS 5/11-103-9) (from Ch. 24, par. 11-103-9)
    Sec. 11-103-9. The corporate authorities of a specified municipality, in the manner and at the time provided by law, shall provide by ordinance for the levy and collection of a direct annual tax sufficient to pay the maturing principal and interest on the bonds issued under Sections 11-103-1 through 11-103-10.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-103-10

    (65 ILCS 5/11-103-10) (from Ch. 24, par. 11-103-10)
    Sec. 11-103-10. Municipalities may exercise the powers granted by Sections 11-103-1 through 11-103-9, jointly and cooperatively, provided the conditions upon which the powers are exercised are evidenced by an agreement approved and recorded by their several corporate authorities.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-103-11

    (65 ILCS 5/11-103-11) (from Ch. 24, par. 11-103-11)
    Sec. 11-103-11. The corporate authorities of every municipality which acquires or constructs an airport or landing field as provided in Section 11-103-1 may issue the municipality's negotiable bonds for the purpose of purchasing any existing claims or liens against the fee of the property on which the airport or landing field is located. These bonds shall be issued for such denominations, maturable at such time, bearing such rate of interest, not in excess of the maximum rate authorized by the Bond Authorization Act, as amended at the time of the making of the contract, and payable at such place as the corporate authorities may determine.
    All bonds issued under this section shall be secured by the airport or landing field property and shall be payable solely from this property or the revenue derived from the operation or leasing of the airport, landing field, and facilities, or appurtenances thereof. These bonds shall not, in any event, constitute an indebtedness of the municipality within the meaning of any constitutional or statutory limitation. Each bond shall plainly state on its face that it has been issued under the provisions of this section and that it does not constitute an indebtedness of the municipality within any constitutional or statutory limitation.
    With respect to instruments for the payment of money issued under this Section either before, on, or after the effective date of this amendatory Act of 1989, it is and always has been the intention of the General Assembly (i) that the Omnibus Bond Acts are and always have been supplementary grants of power to issue instruments in accordance with the Omnibus Bond Acts, regardless of any provision of this Act that may appear to be or to have been more restrictive than those Acts, (ii) that the provisions of this Section are not a limitation on the supplementary authority granted by the Omnibus Bond Acts, and (iii) that instruments issued under this Section within the supplementary authority granted by the Omnibus Bond Acts are not invalid because of any provision of this Act that may appear to be or to have been more restrictive than those Acts.
    The amendatory Acts of 1971, 1972 and 1973 are not a limit upon any municipality which is a home rule unit.
(Source: P.A. 86-4.)

65 ILCS 5/11-103-12

    (65 ILCS 5/11-103-12) (from Ch. 24, par. 11-103-12)
    Sec. 11-103-12. The corporate authorities of any municipality specified in Section 11-103-1, for the purpose of acquiring land for an airport or landing field or constructing an airport or landing field, or both, may borrow money and as evidence thereof may issue bonds, payable solely from revenue derived, from the operation or leasing of the airport, landing field, and facilities or appurtenances thereof. These bonds may be issued in such amounts as may be necessary to provide sufficient funds to pay all costs of acquiring the land for an airport or landing field or constructing an airport or landing field, or both, including engineering, legal, and other expenses, together with interest on these bonds, to a date 6 months subsequent to the estimated date of completion.
    Whenever the corporate authorities of a specified municipality determine to acquire land for an airport or landing field or to construct an airport or landing field, or both, and to issue bonds under this section for the payment of the cost thereof, the corporate authorities shall adopt an ordinance describing in a general way the contemplated project and refer to the plans and specifications therefor. These plans and specifications shall be filed with the municipal clerk and shall be open for inspection by the public.
    This ordinance shall set out the estimated cost of the project, fix the amount of revenue bonds to be issued, the maturity or maturities thereof, the interest rate, which shall not exceed the maximum rate authorized by the Bond Authorization Act, as amended at the time of the making of the contract, payable annually or semi-annually, and all details in connection with the bonds. The ordinance shall also declare that a statutory mortgage lien shall exist upon the property of the airport or landing field, and shall pledge the revenue derived from the operation or leasing of the airport, landing field, and the facilities and appurtenances thereof for the payment of maintenance and operating costs, providing an adequate depreciation fund, and paying the principal and interest of the revenue bonds issued thereunder.
    After this ordinance has been adopted, it shall be published in the same manner and form as is required for other ordinances of the municipality.
    The publication of the ordinance shall be accompanied by a notice of (1) the specific number of voters required to sign a petition requesting the question of acquiring land for an airport or landing field or constructing such facility and the issuance of bonds to be submitted to the electors; (2) the time in which such petition must be filed; and (3) the date of the prospective referendum. The municipal clerk shall provide a petition form to any individual requesting one.
    If no petition is filed with the municipal clerk as provided in this section within 30 days after the publication or posting of this ordinance, the ordinance shall be in effect after the expiration of this 30 day period. But if within this 30 day period a petition is filed with the municipal clerk signed by electors of the municipality numbering 10% or more of the number of registered voters in the municipality, asking that the question of acquiring land for an airport or landing field or constructing an airport or landing field, or both, and the issuance of the specified bonds, be submitted to the electors thereof, the municipal clerk shall certify that question for submission at an election in accordance with the general election law.
    If a majority of the votes cast on the question are in favor of acquiring land for an airport or landing field or constructing an airport or landing field, or both, and in favor of the issuance of the specified bonds, this ordinance shall be in effect. But if a majority of the votes cast on the question are against the project and the issuance of the bonds, this ordinance shall not become effective.
    Bonds issued under this section are negotiable instruments, and shall be executed by the mayor or president and by the municipal clerk of the municipality. In case any officer whose signature appears on the bonds or coupons ceases to hold that office before the bonds are delivered, his signature, nevertheless shall be valid and sufficient for all purposes, the same as though he had remained in office until the bonds were delivered.
    With respect to instruments for the payment of money issued under this Section either before, on, or after the effective date of this amendatory Act of 1989, it is and always has been the intention of the General Assembly (i) that the Omnibus Bond Acts are and always have been supplementary grants of power to issue instruments in accordance with the Omnibus Bond Acts, regardless of any provision of this Act that may appear to be or to have been more restrictive than those Acts, (ii) that the provisions of this Section are not a limitation on the supplementary authority granted by the Omnibus Bond Acts, and (iii) that instruments issued under this Section within the supplementary authority granted by the Omnibus Bond Acts are not invalid because of any provision of this Act that may appear to be or to have been more restrictive than those Acts.
    The amendatory Acts of 1971, 1972 and 1973 are not a limit upon any municipality which is a home rule unit.
(Source: P.A. 86-4; 87-767.)

65 ILCS 5/11-103-13

    (65 ILCS 5/11-103-13) (from Ch. 24, par. 11-103-13)
    Sec. 11-103-13. Bonds issued under Section 11-103-12 shall be payable solely from the revenue derived from the operation or leasing of the airport, landing field, and facilities or appurtenances thereof. These bonds shall not, in any event, constitute an indebtedness of the municipality, within the meaning of any constitutional or statutory limitation. Each bond shall plainly state on its face that it has been issued under the provisions of Section 11-103-12 and that it does not constitute an indebtedness of the municipality within any constitutional or statutory limitation.
    These bonds shall be sold in such manner and upon such terms as the corporate authorities shall determine. If the bonds are issued to bear interest at a rate not to exceed the maximum rate authorized by the Bond Authorization Act, as amended at the time of the making of the contract, they shall be sold for not less than par and accrued interest. If the bonds are issued to bear interest at a rate of less than the maximum rate authorized by the Bond Authorization Act, as amended at the time of the making of the contract, the minimum price at which they may be sold shall be such that the interest cost of the municipality of the proceeds of the bonds shall not exceed the maximum rate authorized by the Bond Authorization Act, as amended at the time of the making of the contract, computed to maturity, according to the standard table of bond values.
    With respect to instruments for the payment of money issued under this Section either before, on, or after the effective date of this amendatory Act of 1989, it is and always has been the intention of the General Assembly (i) that the Omnibus Bond Acts are and always have been supplementary grants of power to issue instruments in accordance with the Omnibus Bond Acts, regardless of any provision of this Act that may appear to be or to have been more restrictive than those Acts, (ii) that the provisions of this Section are not a limitation on the supplementary authority granted by the Omnibus Bond Acts, and (iii) that instruments issued under this Section within the supplementary authority granted by the Omnibus Bond Acts are not invalid because of any provision of this Act that may appear to be or to have been more restrictive than those Acts.
    The amendatory Acts of 1971, 1972 and 1973 are not a limit upon any municipality which is a home rule unit.
(Source: P.A. 86-4.)

65 ILCS 5/11-103-14

    (65 ILCS 5/11-103-14) (from Ch. 24, par. 11-103-14)
    Sec. 11-103-14. Whenever revenue bonds are issued under Section 11-103-12, all revenue derived from the operation of the specified airport, landing field, and facilities or appurtenances thereof, shall be set aside as collected and shall be deposited in a separate fund designated as the airport fund of the municipality. This fund shall be used only in paying the cost of operation and maintenance of the airport or landing field, in providing an adequate depreciation fund, and in paying the principal of and interest upon the revenue bonds issued under Section 11-103-12.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-103-15

    (65 ILCS 5/11-103-15) (from Ch. 24, par. 11-103-15)
    Sec. 11-103-15. A statutory mortgage lien exists upon the airport or landing field and the facilities and appurtenances thereof acquired by or constructed from the proceeds of the revenue bonds authorized to be issued under Section 11-103-12. This lien shall exist in favor of the holders of these bonds, and each of them, and in favor of the holders of the coupons attached to these bonds. The airport or landing field and the facilities and appurtenances thereof shall remain subject to this statutory mortgage lien until payment in full of the principal and interest of these revenue bonds. Any holder of a bond issued under Section 11-103-12 or of any coupon representing interest accrued thereon, may, in any civil action, enforce the statutory mortgage lien created by this section, and may, by proper suit, compel the performance of the duties of the officials of the issuing municipality set forth in Sections 11-103-12 through 11-103-15.
    If there is a default in the payment of the principal of or interest upon any of these bonds, the circuit court in any proper action may appoint a receiver to administer the airport or landing field and the facilities and appurtenances thereof on behalf of the municipality with power to charge and collect fees sufficient to provide for the payment of the operating expenses and for the payment of these bonds and interest thereon and to apply the income and revenue in conformity with Sections 11-103-12 through 11-103-15 and the ordinance providing for the issuance of these bonds.
(Source: P.A. 79-1361.)

65 ILCS 5/11-103-16

    (65 ILCS 5/11-103-16) (from Ch. 24, par. 11-103-16)
    Sec. 11-103-16. Subject to the provisions of Section 11-103-17 the corporate authorities of a municipality under this Division 103 may levy and collect annually a tax of not exceeding .10% of the value, as equalized or assessed by the Department of Revenue, of all the taxable property within the corporate limits of such municipality, for the purpose set forth in Section 11-103-1. This annual tax shall be designated as the "Airport Tax" and shall be in addition to and exclusive of all other taxes which such municipality is now or hereafter authorized to levy and collect.
(Source: P.A. 81-1509.)

65 ILCS 5/11-103-17

    (65 ILCS 5/11-103-17) (from Ch. 24, par. 11-103-17)
    Sec. 11-103-17. The Airport Tax provided for by Section 11-103-16 shall not be levied and collected until the question of its adoption and the maximum rate at which such tax shall be levied is certified by the clerk and submitted to a vote of the voters of the municipalities and has received the affirmative vote of a majority of the voters voting upon the question. The question of such airport tax shall not be submitted to the voters of any municipality more often than once in any 46 month period.
(Source: P.A. 81-1489.)

65 ILCS 5/Art 11 prec Div 104

 
    (65 ILCS 5/Art 11 prec Div 104 heading)
HARBORS AND WATERCOURSES

65 ILCS 5/Art. 11 Div. 104

 
    (65 ILCS 5/Art. 11 Div. 104 heading)
DIVISION 104. GENERAL AUTHORITY OVER
WATERCOURSES, WHARVES AND LEVEES

65 ILCS 5/11-104-1

    (65 ILCS 5/11-104-1) (from Ch. 24, par. 11-104-1)
    Sec. 11-104-1. The corporate authorities of each municipality may deepen, widen, dock, cover, wall, or alter channels of watercourses.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-104-2

    (65 ILCS 5/11-104-2) (from Ch. 24, par. 11-104-2)
    Sec. 11-104-2. The corporate authorities of each municipality may construct and repair canals and slips for the accommodation of commerce.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-104-3

    (65 ILCS 5/11-104-3) (from Ch. 24, par. 11-104-3)
    Sec. 11-104-3. The corporate authorities of each municipality may construct and repair public water-landing places, wharves, docks, and levees.
(Source: Laws 1961, p. 576.)

65 ILCS 5/Art 11 prec Div 105

 
    (65 ILCS 5/Art 11 prec Div 105 heading)
PUBLIC LAND DEDICATIONS

65 ILCS 5/Art. 11 Div. 105

 
    (65 ILCS 5/Art. 11 Div. 105 heading)
DIVISION 105. ACCEPTANCE OF PUBLIC LAND DEDICATIONS

65 ILCS 5/11-105-1

    (65 ILCS 5/11-105-1) (from Ch. 24, par. 11-105-1)
    Sec. 11-105-1. The corporate authorities of each municipality may accept or receive through gift, grant, legacy, dedication in plats of subdivision or otherwise, parks, playgrounds, areas enclosing flood plains, floodwater runoff channels and detention ponds or basins, and other public grounds and easements located within the corporate limits or in unincorporated territory not more than 1 1/2 miles from such limits; may hold and maintain such grounds and lands; and may supervise or regulate their use for any proper public purpose.
(Source: P.A. 86-614; 86-1039.)

65 ILCS 5/Art 11 prec Div 106

 
    (65 ILCS 5/Art 11 prec Div 106 heading)
EXHIBITIONS ON PUBLIC PROPERTY

65 ILCS 5/Art. 11 Div. 106

 
    (65 ILCS 5/Art. 11 Div. 106 heading)
DIVISION 106. EXHIBITIONS, ENTERTAINMENTS
ON PUBLIC PIERS

65 ILCS 5/11-106-1

    (65 ILCS 5/11-106-1) (from Ch. 24, par. 11-106-1)
    Sec. 11-106-1. In all municipalities with 500,000 or more inhabitants, the corporate authorities may enter into any contract with any person for the purpose of arranging for the holding of any general public exhibitions, concerts, dances, entertainments, or celebrations in the municipality or on any pier owned or controlled by the municipality extending out into any lake or harbor adjacent to the municipality, and to provide for the payment of any expense necessarily incurred in contracting for the holding of any of the specified events out of the miscellaneous receipts of the municipality which have not been otherwise appropriated.
(Source: Laws 1961, p. 576.)

65 ILCS 5/Art 11 prec Div 107

 
    (65 ILCS 5/Art 11 prec Div 107 heading)
BRIDGES, VIADUCTS, TUNNELS, FERRIES

65 ILCS 5/Art. 11 Div. 107

 
    (65 ILCS 5/Art. 11 Div. 107 heading)
DIVISION 107. BRIDGES, VIADUCTS AND TUNNELS

65 ILCS 5/11-107-1

    (65 ILCS 5/11-107-1) (from Ch. 24, par. 11-107-1)
    Sec. 11-107-1. The corporate authorities of each municipality may construct, repair, and regulate the use of bridges, viaducts, and tunnels.
(Source: Laws 1961, p. 576.)

65 ILCS 5/Art. 11 Div. 108

 
    (65 ILCS 5/Art. 11 Div. 108 heading)
DIVISION 108. FERRIES AND TOLL BRIDGES

65 ILCS 5/11-108-1

    (65 ILCS 5/11-108-1) (from Ch. 24, par. 11-108-1)
    Sec. 11-108-1. The corporate authorities of each municipality may establish ferries for hire and construct toll bridges, and also may regulate them and their charges.
(Source: Laws 1961, p. 576.)

65 ILCS 5/Art 11 prec Div 109

 
    (65 ILCS 5/Art 11 prec Div 109 heading)
DRAINS, CULVERTS, CESSPOOLS, SEWERS

65 ILCS 5/Art. 11 Div. 109

 
    (65 ILCS 5/Art. 11 Div. 109 heading)
DIVISION 109. REGULATION OF CULVERTS,
DRAINS SEWERS AND CESSPOOLS

65 ILCS 5/11-109-1

    (65 ILCS 5/11-109-1) (from Ch. 24, par. 11-109-1)
    Sec. 11-109-1. The corporate authorities of each municipality may construct, repair, and regulate the use of culverts, drains, sewers, and cesspools.
(Source: Laws 1961, p. 576.)

65 ILCS 5/Art 11 prec Div 110

 
    (65 ILCS 5/Art 11 prec Div 110 heading)
FLOOD CONTROL AND DRAINAGE

65 ILCS 5/Art. 11 Div. 110

 
    (65 ILCS 5/Art. 11 Div. 110 heading)
DIVISION 110. DRAINAGE BY SPECIAL ASSESSMENT

65 ILCS 5/11-110-1

    (65 ILCS 5/11-110-1) (from Ch. 24, par. 11-110-1)
    Sec. 11-110-1. The corporate authorities of cities and villages for drainage purposes may lay out, establish, construct, and maintain drains, storm sewers, detention basins, retention basins and other "green infrastructure" facilities, such as green roofs, rain gardens, bioswales, tree boxes, porous pavement, porous pipe systems, native plantings, constructed wetlands, and cisterns, ditches, levees, dykes, pumping works, and machinery, and may acquire the necessary land and machinery therefor, and in this manner may provide for draining or otherwise managing the runoff, such as by infiltration, evapotranspiration, or collection, on any portion of the land within their corporate limits, by special assessment upon the property benefited thereby, or by general taxation, or a combination. No lot, block, tract, or parcel of land, however, shall be assessed more than once in any one year by a municipality for maintenance.
(Source: P.A. 98-330, eff. 1-1-14.)

65 ILCS 5/11-110-2

    (65 ILCS 5/11-110-2) (from Ch. 24, par. 11-110-2)
    Sec. 11-110-2. The corporate authorities of cities and villages may pass ordinances providing for the making of any improvements specified in Section 11-110-1, and for the nature, character, locality, and description thereof. Upon the passage of such an ordinance all proceedings thereafter had for the making of the improvements, and for the maintenance and repair thereof, and for the levy and collection of special assessments to defray the cost thereof, shall be in accordance with the provisions of Article 9.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-110-3

    (65 ILCS 5/11-110-3) (from Ch. 24, par. 11-110-3)
    Sec. 11-110-3. Whenever, in the judgment of the corporate authorities of a city or village, it becomes necessary or advantageous for the proper construction of improvements specified in Section 11-110-1 to enlarge, construct, or improve a natural or artificial drain outside the corporate limits of the city or village to obtain a proper outlet, the corporate authorities have the power to acquire the right of way therefor under the provisions of the statutes relating to the exercise of the right of eminent domain. Upon the establishment of this improvement, by the confirmation of the assessment therefor, the corporate authorities have the power to contract with all persons owning or interested in property or drains, outside the corporate limits of the city or village, who will be benefited by the improvement, for payment to the city or village of such an amount as the improvement will benefit those persons. In case of a failure to agree on the amount to be paid for these benefits the corporate authorities of the city or village have the power to sue for and recover the amount in a civil action in any court of competent jurisdiction in this state. The amount recovered or realized by such an agreement or proceeding shall become a part of the money raised to pay for the improvement, and may be refunded in accordance with the provisions of Section 9-2-74.
(Source: Laws 1961, p. 576.)

65 ILCS 5/Art. 11 Div. 111

 
    (65 ILCS 5/Art. 11 Div. 111 heading)
DIVISION 111. DRAINAGE IMPROVEMENT DISTRICTS

65 ILCS 5/11-111-1

    (65 ILCS 5/11-111-1) (from Ch. 24, par. 11-111-1)
    Sec. 11-111-1. Every city or village, whether incorporated under the general law or under a special charter, whose site is wholly or partially subject to overflow and wholly or partially surrounded by levees, dykes, or embankments to prevent overflow: (1) may divide the municipality, or any part thereof, into improvement districts, (2) may fix the grade of the streets, avenues, alleys, or public grounds within the improvement districts, at any height deemed necessary to give a surface drainage from each improvement district to the river or rivers which cause the overflow, and (3) may require low lots, blocks, or parts thereof, within an improvement district to be filled in such manner as to prevent water from standing thereon and thus to prevent them from becoming a nuisance or injurious to the public health, in the judgment of the corporate authorities of the municipality.
    The work authorized to be done by Sections 11-111-1 through 11-111-7 shall be done by special assessment or special taxation of contiguous property. Every city or village exercising the power granted by these sections has the same power in relation to special assessments or special taxation as is granted to any city, village, or drainage or improvement district in this state.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-111-2

    (65 ILCS 5/11-111-2) (from Ch. 24, par. 11-111-2)
    Sec. 11-111-2. When an improvement district has been created by ordinance under Sections 11-111-1 through 11-111-7 the corporate authorities shall have an accurate survey of the work contemplated to be done, made by a competent civil engineer, and shall have that engineer make plats, profiles, and estimates of the work to be done. The estimate shall include the cost of all walls or other structures necessary to be constructed to hold the earth to its proper place, the cost of the work opposite or adjacent to each lot in the district, and the cost of the fill upon each lot within the district necessary to be filled. The survey, plats, profiles, and estimates shall be used in estimating the benefits to be charged against the lot or block, or parts thereof, within the improvement district. In estimating those benefits, the benefit the lot, block, or parts thereof, will receive by reason of being secured from overflow or sipe water may be considered.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-111-3

    (65 ILCS 5/11-111-3) (from Ch. 24, par. 11-111-3)
    Sec. 11-111-3. When specified improvement districts have been laid out, the cost of the improvement has been estimated and ascertained by a competent engineer, and the benefits to the lots, blocks, or parts thereof, have been assessed, the municipality may issue a series of bonds sufficient to pay the special assessments or special tax so ascertained for each district. When so issued and endorsed as provided for in this section, these bonds shall be a lien upon the respective lots, blocks, or parts thereof, which are designated in the bonds. The bonds shall bear interest at a rate not exceeding the maximum rate authorized by the Bond Authorization Act, as amended at the time of the making of the contract, and may run for any term not exceeding 20 years. The style of the bonds shall be fixed and designated by ordinance. But before any bond is issued or put into circulation, the owner of any lot charged with such a special assessment or special tax shall endorse upon the back of the bond his consent thereto, substantially as follows:
    I hereby endorse the within bond, and consent that the lot or lots, or parts thereof therein designated, shall become liable for the interest and principal therein named, and that the bond shall be a lien upon the designated property from this date until paid off and discharged.
         ....
         (insert date)
         .... (Seal)
    The bond, when prepared and executed by the municipality, and endorsed by the owners of the property charged with the special assessments or special tax, shall be recorded in the recorder's office of the county in which the municipality is located. When so recorded the record is notice of the lien thereby created, to the same extent that records of mortgages are notices of the mortgage lien, and has the same force and effect. No coupon need be recorded. A record of the face of the bond and of the endorsement are sufficient.
    With respect to instruments for the payment of money issued under this Section either before, on, or after the effective date of this amendatory Act of 1989, it is and always has been the intention of the General Assembly (i) that the Omnibus Bond Acts are and always have been supplementary grants of power to issue instruments in accordance with the Omnibus Bond Acts, regardless of any provision of this Act that may appear to be or to have been more restrictive than those Acts, (ii) that the provisions of this Section are not a limitation on the supplementary authority granted by the Omnibus Bond Acts, and (iii) that instruments issued under this Section within the supplementary authority granted by the Omnibus Bond Acts are not invalid because of any provision of this Act that may appear to be or to have been more restrictive than those Acts.
    The amendatory Acts of 1971, 1972 and 1973 are not a limit upon any municipality which is a home rule unit.
(Source: P.A. 91-357, eff. 7-29-99.)

65 ILCS 5/11-111-4

    (65 ILCS 5/11-111-4) (from Ch. 24, par. 11-111-4)
    Sec. 11-111-4. Any municipality, issuing bonds under Sections 11-111-1 through 11-111-7, shall provide by ordinance for the collection of an amount sufficient to pay the interest and principal of these bonds from the property charged with the special assessment or special tax. The special assessment or special tax shall be placed upon the tax books for collection, and treated in the same manner, and have the same effect as special assessments or special taxes have under Article 9. The municipality shall not be liable for the payment of the interest or principal of any of these bonds except (1) for their payment out of the special fund of the improvement district to which the bonds apply, and (2) for the faithful enforcement of the ordinances that provide for the collection of an amount sufficient to pay the interest and principal of these bonds.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-111-5

    (65 ILCS 5/11-111-5) (from Ch. 24, par. 11-111-5)
    Sec. 11-111-5. If a railroad or street railway company has tracks located upon, or across any street in such an improvement district, then, in estimating the cost of the work, the railroad or street railway company shall be charged with the cost of the fill upon that street or crossing in the amount that it would cost the railroad or street railway company to make an independent embankment of the same height to receive its tracks upon that street or crossing. However, any railroad or street railway company has the same right to build its embankment or make its proportion of the improvement as is allowed to individuals. If a railroad or street railway company fails or refuses to comply with the municipal ordinances in this regard, the tracks of the delinquent railroad or street railway company shall be a nuisance, all of the railroad or street railway company's rights upon that street or crossing shall be forfeited, and the tracks removed as the work progresses.
(Source: Laws 1961, p. 576.)

65 ILCS 5/11-111-6

    (65 ILCS 5/11-111-6) (from Ch. 24, par. 11-111-6)
    Sec. 11-111-6. If any property within an improvement district created under Sections 11-111-1 through 11-111-7 belongs to a minor or any other person incapacitated to contract, the guardian, or other person in charge of his or her estate, may apply to the circuit court of the county in which the district is located, by petition, for leave to endorse the specified bonds. When endorsed by order of the court, the endorsement shall be valid.
(Source: P.A. 83-706.)