Illinois 2025 Session Dates: 01/08/2025 – 05/31/2025 Click bill number to view bill textClick summary to view legislation detail Illinois 2025 Bill Bill# SUMMARY LAST ACTION NOTES HB 1637 Provides that an increase in the rate of tax based on the change in the Consumer Price Index shall not occur from July 1, 2025 until July 1, 2027. 01/23/2025 Filed with Clerk of House. Pending introduction and committee assignment. Bill Bill# SUMMARY LAST ACTION NOTES