104TH GENERAL ASSEMBLY State of Illinois 2025 and 2026 HB1199 Introduced , by Rep. Rita Mayfield SYNOPSIS AS INTRODUCED: 35 ILCS 200/18-105.1 new Amends the Property Tax Code. Provides that, notwithstanding any other provision of law, beginning in taxable year 2026, no county clerk may extend against any property an annual property tax that exceeds the amount generated by multiplying the property tax liability for the property in the immediately preceding taxable year by one plus the percentage increase, if any, in the Consumer Price Index for the 12-month period ending in September of the immediately preceding taxable year, unless the increase in the property tax liability is the result of improvements to the property or the result of the removal of one or more exemptions that were granted with respect to the property for the immediately preceding taxable year. Effective immediately. LRB104 06174 HLH 16208 b A BILL FOR 104TH GENERAL ASSEMBLY State of Illinois 2025 and 2026 HB1199 Introduced , by Rep. Rita Mayfield SYNOPSIS AS INTRODUCED: 35 ILCS 200/18-105.1 new 35 ILCS 200/18-105.1 new Amends the Property Tax Code. Provides that, notwithstanding any other provision of law, beginning in taxable year 2026, no county clerk may extend against any property an annual property tax that exceeds the amount generated by multiplying the property tax liability for the property in the immediately preceding taxable year by one plus the percentage increase, if any, in the Consumer Price Index for the 12-month period ending in September of the immediately preceding taxable year, unless the increase in the property tax liability is the result of improvements to the property or the result of the removal of one or more exemptions that were granted with respect to the property for the immediately preceding taxable year. Effective immediately. LRB104 06174 HLH 16208 b LRB104 06174 HLH 16208 b A BILL FOR 104TH GENERAL ASSEMBLY State of Illinois 2025 and 2026 HB1199 Introduced , by Rep. Rita Mayfield SYNOPSIS AS INTRODUCED: 35 ILCS 200/18-105.1 new 35 ILCS 200/18-105.1 new 35 ILCS 200/18-105.1 new Amends the Property Tax Code. Provides that, notwithstanding any other provision of law, beginning in taxable year 2026, no county clerk may extend against any property an annual property tax that exceeds the amount generated by multiplying the property tax liability for the property in the immediately preceding taxable year by one plus the percentage increase, if any, in the Consumer Price Index for the 12-month period ending in September of the immediately preceding taxable year, unless the increase in the property tax liability is the result of improvements to the property or the result of the removal of one or more exemptions that were granted with respect to the property for the immediately preceding taxable year. Effective immediately. LRB104 06174 HLH 16208 b LRB104 06174 HLH 16208 b LRB104 06174 HLH 16208 b A BILL FOR HB1199LRB104 06174 HLH 16208 b HB1199 LRB104 06174 HLH 16208 b HB1199 LRB104 06174 HLH 16208 b 1 AN ACT concerning revenue. 2 Be it enacted by the People of the State of Illinois, 3 represented in the General Assembly: 4 Section 5. The Property Tax Code is amended by adding 5 Section 18-105.1 as follows: 6 (35 ILCS 200/18-105.1 new) 7 Sec. 18-105.1. Limit on property tax extensions. 8 Notwithstanding any other provision of law, beginning in 9 taxable year 2026, no county clerk may extend against any 10 property an annual property tax that exceeds the amount 11 generated by multiplying the property tax liability for the 12 property in the immediately preceding taxable year by one plus 13 the percentage increase, if any, in the Consumer Price Index 14 for the 12-month period ending in September of the immediately 15 preceding taxable year, unless the increase in the property 16 tax liability over the immediately preceding taxable year is 17 the result of improvements to the property or the result of the 18 removal of one or more exemptions that were granted with 19 respect to the property for the immediately preceding taxable 20 year. If the county clerk is required to reduce the amount 21 extended against any property under the provisions of this 22 Section, the county clerk shall proportionally reduce the 23 extension for each taxing district that levies property taxes 104TH GENERAL ASSEMBLY State of Illinois 2025 and 2026 HB1199 Introduced , by Rep. Rita Mayfield SYNOPSIS AS INTRODUCED: 35 ILCS 200/18-105.1 new 35 ILCS 200/18-105.1 new 35 ILCS 200/18-105.1 new Amends the Property Tax Code. Provides that, notwithstanding any other provision of law, beginning in taxable year 2026, no county clerk may extend against any property an annual property tax that exceeds the amount generated by multiplying the property tax liability for the property in the immediately preceding taxable year by one plus the percentage increase, if any, in the Consumer Price Index for the 12-month period ending in September of the immediately preceding taxable year, unless the increase in the property tax liability is the result of improvements to the property or the result of the removal of one or more exemptions that were granted with respect to the property for the immediately preceding taxable year. Effective immediately. LRB104 06174 HLH 16208 b LRB104 06174 HLH 16208 b LRB104 06174 HLH 16208 b A BILL FOR 35 ILCS 200/18-105.1 new LRB104 06174 HLH 16208 b HB1199 LRB104 06174 HLH 16208 b HB1199- 2 -LRB104 06174 HLH 16208 b HB1199 - 2 - LRB104 06174 HLH 16208 b HB1199 - 2 - LRB104 06174 HLH 16208 b 1 against the property. As used in this Section, "consumer price 2 index" means the index published by the Bureau of Labor 3 Statistics of the United States Department of Labor that 4 measures the average change in prices of goods and services 5 purchased by all urban consumers, United States city average, 6 all items, 1982-84 = 100. HB1199 - 2 - LRB104 06174 HLH 16208 b