HB 4431 Illinois House · 104th Regular Session

USE/OCC TX-MODIFIED VEHICLES

Summary
Amends the Use Tax Act, the Service Use Tax Act, the Service Occupation Tax Act, and the Retailers' Occupation Tax Act. Provides that, beginning on July 1, 2026, the 1% rate of tax on modifications to a motor vehicle for the purpose of rendering the motor vehicle usable by a person with a disability applies to tangible personal property that is installed in or on a motor vehicle before, during, or after the purchase of the motor vehicle for the purpose of rendering the motor vehicle usable by a person with a disability. Provides that the 1% rate of tax on that property applies only if the tangible personal property is separately itemized on the bill or invoice for the sale of the motor vehicle or if the tangible personal property is purchased separately from the motor vehicle and is separately itemized on a bill or invoice. Effective immediately.
Bill status in committee 1 of 4 stages cleared
Introduction
Jan 2026
Committee Review
Floor Vote
Governor
Introduced Jan 14, 2026 Last action Mar 27, 2026
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Full legislative history

Actions timeline

Total actions
8
Key actions
0
Committee
3
Mar 27, 2026
Committee
Rule 19(a) / Re-referred to Rules Committee
lower
Mar 4, 2026
Committee
Assigned to Revenue & Finance Committee
lower
Jan 20, 2026
Committee
Referred to Rules Committee
lower
1 primary · 3 co-sponsors

Sponsors