Budget & Taxes

Amends the Illinois Income Tax Act. Creates an income tax deduction for individuals, corporations, and partnerships for 100% of the property taxes paid by the taxpayer during the taxable year on childcare center property.

Creates the Revenue Estimate Act. Provides that the General Assembly shall not enact any bill to appropriate funds within any fiscal year prior to its adoption of a joint resolution reflecting the estimate of funds available for that fiscal year as required under the Commission on Government Forecasting and Accountability Act. Effective immediately.

Urges the State of Illinois to make needed investments in Illinois communities by raising $6 billion in new revenue from the ultra-wealthy and mega-corporations. Affirms that, in addition to funding these critically-needed services, implementing these revenue policies will have the benefit of making our State's tax system less unfair to the lowest income Illinoisans.

Amends the Illinois Income Tax Act. Provides that the amendatory Act may be referred to as the Reshore Our Supply Chains Tax Reform Act. In specified provisions concerning base income, provides that a taxpayer may claim a depreciation deduction for federal income tax purposes.

Amends the Gas Use Tax Law. Exempts certain business enterprises from taxation under the Act. Amends the Gas Revenue Tax Act. Provides that the definition of "gross receipts" does not include consideration received from certain business enterprises. Amends the Electricity Excise Tax Law. Provides that the tax under the Act is not imposed with respect to any use by the purchaser in the process of manufacturing or assembling tangible personal property for wholesale or for retail sale or lease. Effective immediately.

Creates the Prohibition of Closed-Door Tax Increases Act. Provides that a unit of local government may not increase a levied tax without authorization by referendum of the electors of the unit of local government. Provides that a referendum to increase a levied tax must include a sunset clause on which the tax increase authorized by the referendum measure shall expire. Provides that, if an increase in a levied tax is intended to generate a cash flow to service a debt, the increase must sunset no later than the date that the debt is scheduled to be paid off, and, if an increase in a levied tax is intended to generate a cash flow that will be spent for purposes other than debt service, the increase must sunset no later than 10 years after the date on which the tax increase begins. Provides that, to the extent the Act conflicts with any other provision of law, the Act controls. Provides that nothing in the Act infringes upon the right of a unit of local government to impose or increase nontax fines or fees. Provides that the Department of Revenue shall adopt rules to enforce the Act. Limits concurrent exercise of home rule taxing powers.

Amends the Use Tax Act, the Retailers' Occupation Tax Act, and the State Finance Act. Provides for a sales tax holiday on school supplies during the first 7 days of August of each calendar year. Effective immediately.

Amends the Budget Law of the Civil Administrative Code of Illinois. Provides that, beginning with budgets prepared for fiscal year 2027, revenue estimates shall be based solely on receipts from taxes, fees, and federal transfers and shall not include debt incurred, existing debt refinanced, or additional funds appropriated, assigned, or transferred from another fund. Provides that appropriations for a fiscal year shall not exceed revenue estimated by the General Assembly to be available during that year. Provides that, except for deficiency or emergency appropriations, all appropriations are expendable only during the fiscal year for which they were appropriated, except that the General Assembly may provide for appropriations from the Budget Stabilization Fund in excess of revenue estimated by the General Assembly to be available during that year by adoption of a resolution approved by a record vote of three-fifths of the members of each chamber. Provides that the excess appropriations may not exceed the total amount available in the Budget Stabilization Fund. Provides that no public money shall be expended except pursuant to appropriations made by law. Provides that expenditures for any fiscal year shall not exceed the State's revenues and reserves in the general funds, including proceeds of any debt obligation, for that year. Provides that no debt obligation, except as shall be repaid within the fiscal year of issuance, shall be authorized for the current operation of any service or program, nor shall the proceeds of any debt obligation be expended for a purpose other than that for which it was authorized. Provides that any law requiring the expenditure of funds shall be null and void unless, during the session in which the Act receives final passage, an appropriation is made for the estimated first year's funding. Effective immediately.

Amends the Property Tax Extension Limitation Law in the Property Tax Code. Provides that a taxing district shall reduce its aggregate extension base for the purpose of lowering its limiting rate for future years upon referendum approval initiated by the submission of a petition by the voters of the district. Provides that the extension limitation shall be: (a) the lesser of 5% or the average percentage increase in the Consumer Price Index for the 10 years immediately preceding the levy year for which the extension limitation is being calculated; or (b) the rate of increase approved by the voters. Effective immediately.

HB 4033 allocates state General Revenue funds to legislative support agencies to cover their operational costs, including research, drafting, and administrative services. This funding directly supports the agencies that assist state legislators in their day-to-day work. The bill takes effect on July 1, 2025, providing stable financial backing for these essential support functions.