Illinois 104th General Assembly Status: Introduced Bipartisan · 3 R · 1 D cosponsors

HB4431      — USE/OCC TX-MODIFIED VEHICLES

Last action — Rule 19(a) / Re-referred to Rules Committee

  1. 1
    Introduced
  2. 2
    In Committee
  3. 3
    Passed House
  4. 4
    Passed Senate
  5. 5
    To Executive
  6. 6
    Enacted

This bill has been introduced in the House. Introduced January 14, 2026. It must pass committee before a floor vote.

Next likely step: a committee referral and hearing.

Odds of enactment

Low chance

Based on the sponsor, cosponsors, and committee posture, this bill has a low chance of becoming law.

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A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.

Prognosis

Stalled 30% · moderate confidence
  • Introduced

    Current position in the legislative process.

  • 4 sponsors

    1 primary, 3 co-sponsors signed on.

  • Bipartisan support

    Sponsored across 2 parties (3 R · 1 D) — cross-party backing.

Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.

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 Text

We don't have the full text on file for this bill yet.

Read HB4431 on the official Illinois source →

Action History

  1. Rule 19(a) / Re-referred to Rules Committee

  2. Added Co-Sponsor Rep. Travis Weaver

  3. Assigned to Revenue & Finance Committee

  4. Added Co-Sponsor Rep. Janet Yang Rohr

  5. Added Chief Co-Sponsor Rep. Jennifer Sanalitro

  6. Referred to Rules Committee

  7. First Reading

  8. Filed with the Clerk by Rep. Nicole La Ha

Sponsors

Sponsorship breakdown

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1 sponsors · 3 co-sponsors · 179 not signed on

Sponsors (1)

Co-sponsors (3)

Not signed on (179)

179 members have not signed on to this bill.

Show all 179 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does HB4431      do?
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.
Who sponsors HB4431     ?
HB4431      is sponsored by Nicole La Ha (Republican), Jennifer Sanalitro (Republican), Janet Yang Rohr (Democrat), and Travis Weaver (Republican).
What is the current status of HB4431     ?
This bill has been introduced in the House. Introduced January 14, 2026. It must pass committee before a floor vote.
Where can I track HB4431     ?
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Last checked for changes 3 months ago · updated continuously

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