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REVENUE
(35 ILCS 200/) Property Tax Code.

35 ILCS 200/Art. 20 Div. 4

 
    (35 ILCS 200/Art. 20 Div. 4 heading)
Division 4. Errors and adjustments

35 ILCS 200/20-165

    (35 ILCS 200/20-165)
    Sec. 20-165. List of errors and inability to collect. On or before the third Monday in December, annually, the county collector shall make out and file with the county clerk a detailed list of errors in assessment of property and errors in footing of tax books, giving in each case a description of the property, the valuation and amount of each tax and special assessment, and cause of error. County collectors, in cases of removals and bankruptcies of taxpayers, may give the same cause for the inability to collect as sworn to by the township collectors, stating in their return that such was the statement made by the township collector, and that the tax still remains uncollected.
(Source: P.A. 94-412, eff. 8-2-05.)

35 ILCS 200/20-170

    (35 ILCS 200/20-170)
    Sec. 20-170. Double payment. When taxes on a property have been paid more than once for the same year, by different claimants, the county collector shall report to the county clerk all surplus taxes so received, together with the names of the claimants. Certified copies of the report, or the county clerk's record thereof, shall be prima facie evidence in all courts of the payment of tax on the property therein described for the year or years mentioned. The township collectors shall report to the county collector taxes paid more than once, by different claimants for the same year, and the county collector shall report to the county clerk.
(Source: P.A. 76-2254; 88-455.)

35 ILCS 200/20-175

    (35 ILCS 200/20-175)
    Sec. 20-175. Refund for erroneous assessments or overpayments.
    (a) In counties other than Cook County, if any property is twice assessed for the same year, or assessed before it becomes taxable, and the erroneously assessed taxes have been paid either at sale or otherwise, or have been overpaid by the same claimant or by different claimants, the County Collector, upon being satisfied of the facts in the case, shall refund the taxes to the proper claimant. When the County Collector is unable to determine the proper claimant, the circuit court, on petition of the person paying the taxes, or his or her agent, and being satisfied of the facts in the case, shall direct the county collector to refund the taxes and deduct the amount thereof, pro rata, from the moneys due to taxing bodies which received the taxes erroneously paid, or their legal successors. Pleadings in connection with the petition provided for in this Section shall conform to that prescribed in the Civil Practice Law. Appeals may be taken from the judgment of the circuit court, either by the county collector or by the petitioner, as in other civil cases. A claim for refund shall not be allowed unless a petition is filed within 5 years from the date the right to a refund arose. If a certificate of error results in the allowance of a homestead exemption not previously allowed, the county collector shall pay the taxpayer interest on the amount of taxes paid that are attributable to the amount of the additional allowance, at the rate of 6% per year. To cover the cost of interest, the county collector shall proportionately reduce the distribution of taxes collected for each taxing district in which the property is situated.
    (a-1) In Cook County, if any property is twice assessed for the same year, or assessed before it becomes taxable, and the erroneously assessed taxes have been paid either at sale or otherwise, or have been overpaid by the same claimant or by different claimants, the Cook County Treasurer, upon being satisfied of the facts in the case, shall refund the taxes to the proper claimant. When the Cook County Treasurer is unable to determine the proper claimant, the circuit court, on petition of the person paying the taxes, or his or her agent, and being satisfied of the facts in the case, shall direct the Cook County Treasurer to refund the taxes plus costs of suit and deduct the amount thereof, pro rata, from the moneys due to taxing bodies which received the taxes erroneously paid, or their legal successors. Pleadings in connection with the petition provided for in this Section shall conform to that prescribed in the Civil Practice Law. Appeals may be taken from the judgment of the circuit court, either by the Cook County Treasurer or by the petitioner, as in other civil cases. A claim for refund shall not be allowed unless a petition is filed within 20 years from the date the right to a refund arose. The total amount of taxes and interest refunded for claims under this subsection for which the right to a refund arose prior to January 1, 2009 shall not exceed $5,000,000 per year. If the payment of a claim for a refund would cause the aggregate total of taxes and interest for all claims to exceed $5,000,000 in any year, the refund shall be paid in the next succeeding year. If a certificate of error results in the allowance of a homestead exemption not previously allowed, the Cook County Treasurer shall pay the taxpayer interest on the amount of taxes paid that are attributable to the amount of the additional allowance, at the rate of 6% per year. To cover the cost of interest, the Cook County Treasurer shall proportionately reduce the distribution of taxes collected for each taxing district in which the property is situated.
    (b) Notwithstanding any other provision of law, in Cook County a claim for refund under this Section is also allowed if the application therefor is filed between September 1, 2011 and September 1, 2012 and the right to a refund arose more than 5 years prior to the date the application is filed but not earlier than January 1, 2000. The Cook County Treasurer, upon being satisfied of the facts in the case, shall refund the taxes to the proper claimant and shall proportionately reduce the distribution of taxes collected for each taxing district in which the property is situated. Refunds under this subsection shall be paid in the order in which the claims are received. The Cook County Treasurer shall not accept a claim for refund under this subsection before September 1, 2011. For the purposes of this subsection, the Cook County Treasurer shall accept a claim for refund by mail or in person. In no event shall a refund be paid under this subsection if the issuance of that refund would cause the aggregate total of taxes and interest refunded for all claims under this subsection to exceed $350,000. The Cook County Treasurer shall notify the public of the provisions of this subsection on the Treasurer's website. A home rule unit may not regulate claims for refunds in a manner that is inconsistent with this Act. This Section is a limitation of home rule powers under subsection (i) of Section 6 of Article VII of the Illinois Constitution.
(Source: P.A. 100-1104, eff. 8-27-18.)

35 ILCS 200/20-178

    (35 ILCS 200/20-178)
    Sec. 20-178. Certificate of error; refund; interest. When the county collector makes any refunds due on certificates of error issued under Sections 14-15 through 14-25 that have been either certified or adjudicated, the county collector shall pay the taxpayer interest on the amount of the refund at the rate of 0.5% per month.
    No interest shall be due under this Section for any time prior to 60 days after the effective date of this amendatory Act of the 91st General Assembly. For certificates of error issued prior to the effective date of this amendatory Act of the 91st General Assembly, the county collector shall pay the taxpayer interest from 60 days after the effective date of this amendatory Act of the 91st General Assembly until the date the refund is paid. For certificates of error issued on or after the effective date of this amendatory Act of the 91st General Assembly, interest shall be paid from 60 days after the certificate of error is issued by the chief county assessment officer to the date the refund is made. To cover the cost of interest, the county collector shall proportionately reduce the distribution of taxes collected for each taxing district in which the property is situated.
    This Section shall not apply to any certificate of error granting a homestead exemption under Section 15-170, 15-172, 15-175, 15-176, or 15-177.
(Source: P.A. 95-644, eff. 10-12-07.)

35 ILCS 200/20-180

    (35 ILCS 200/20-180)
    Sec. 20-180. Uncollectible delinquent real estate taxes and special assessments. In cases where general taxes levied on real property have been delinquent for a period of 20 years, the taxes shall be presumed to be uncollectible. In those cases, the County Clerk and the County Collector shall enter upon the tax records in their respective offices where those taxes appear the word "Uncollectible", and shall adjust the books and records of their respective offices as provided in this Code. In cases where any installments of special assessments or special taxes levied on real property have been delinquent for a period of 30 years, the installments shall be presumed to be uncollectible. In those cases, the Collector of the municipality which levied the special assessment or special tax and the County Clerk and the County Collector shall enter upon the tax records in their respective offices where those assessments or taxes appear the word "Uncollectible" and shall adjust the books and records of their respective offices. When taxes have been designated "uncollectible" under this Section, the municipality may use any money it holds for payment of the special assessments or special taxes for improvements similar to the projects for which the moneys were collected, and for the purchase of real or personal property, in connection with those improvements.
(Source: P.A. 92-201, eff. 1-1-02.)

35 ILCS 200/20-185

    (35 ILCS 200/20-185)
    Sec. 20-185. Bonds secured by uncollectible revenue. When bonds issued by a municipality are secured either by ad valorem tax levies or by specific revenues other than ad valorem tax levies and the payment of the tax or specific revenue has been delinquent for a period of 30 years the taxes or revenue shall be presumed to be uncollectable and in those cases, the municipal treasurer shall enter upon the appropriate bond issue records where the bonds appear the words "CANCELLED - Revenue Uncollectable", and shall adjust the books and records accordingly.
    When bonds have been designated as specified above the municipality may use any money it holds for the payment of those bonds for any general corporate purpose.
(Source: P.A. 81-692; 88-455.)

35 ILCS 200/20-190

    (35 ILCS 200/20-190)
    Sec. 20-190. Statute of limitation for collection of delinquent real estate taxes and special assessments.
    (a) If a taxpayer owes arrearages of taxes for a reason other than administrative error, actions for the collection of any delinquent general tax, or the enforcement or foreclosure of the tax lien shall be commenced within 20 years after the tax became delinquent, and not thereafter. After 20 years the tax lien shall be discharged and released.
    Actions for the collection of any delinquent installments of special assessments or special taxes, or the enforcement or foreclosure of the special assessment lien shall be commenced within 30 years after the installments became delinquent. After 30 years the lien for the installments shall be discharged and released.
    (b) 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.
    (c) For purposes of this Section, "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. 92-201, eff. 1-1-02.)