Illinois 104th General Assembly Status: Introduced 4 R cosponsors

SB3873      — INC TX-R AND D CREDIT

Last action — Added as Co-Sponsor Sen. Chris Balkema

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

This bill has been introduced in the Senate. Introduced February 06, 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

Not enough signal yet

Not enough signal yet to read this bill's trajectory — we surface a likelihood only once there's real movement (stage, sponsorship, committee, or votes) to point to.

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

In plain language

The bill makes the research and development tax credit a permanent feature of Illinois income tax law.

This bill amends the Illinois Income Tax Act to ensure that the research and development credit is permanent. It will take effect immediately.

What this means for you
  • Small Business: If you run a small business that invests in research and development, this change could provide ongoing tax benefits.

Summary

Amends the Illinois Income Tax Act. Provides that the research and development credit applies on a permanent basis. Effective immediately.

Bill Text

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

Read SB3873 on the official Illinois source →

Action History

  1. Added as Co-Sponsor Sen. Chris Balkema

  2. Added as Co-Sponsor Sen. Seth Lewis

  3. Added as Co-Sponsor Sen. Craig Wilcox

  4. Referred to Assignments

  5. First Reading

  6. Filed with Secretary by Sen. Donald P. DeWitte

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

taxation finance technology
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 SB3873      do?
Amends the Illinois Income Tax Act. Provides that the research and development credit applies on a permanent basis. Effective immediately.
Who sponsors SB3873     ?
SB3873      is sponsored by Donald P. DeWitte (Republican), Craig Wilcox (Republican), Seth Lewis (Republican), and Chris Balkema (Republican).
What is the current status of SB3873     ?
This bill has been introduced in the Senate. Introduced February 06, 2026. It must pass committee before a floor vote.
Where can I track SB3873     ?
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Make your voice heard on SB3873     

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Last checked for changes 3 months ago · updated continuously

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