Illinois · House Bill 4457 · 103rd General Assembly

INC TX-R AND D CREDIT

HB 4457 Sponsored by Joe C. Sosnowski Died in committee

  1. Introduced Jan 16, 2024
  2. In committee Jan 16, 2024
  3. Died  
  4. Passed the Senate  
  5. To the governor  
  6. Became law  

What it does

The legislature's own summary of the bill, or its official long title.

Amends the Illinois Income Tax Act. Increases the research and development credit by providing that the increase in research and development activities shall be based on an increase over 50% of the average of the qualifying expenditures for each year in the base period (instead of 100% of the average of the qualifying expenditures for each year in the base period). Provides that the research and development credit applies on a permanent basis. Effective immediately.

Every action

7 steps, oldest first, as the legislature records them.

  1. HouseFiled with the Clerk by Rep. Joe C. Sosnowski
  2. HouseFirst Reading
  3. CommitteeReferred to Rules Committee · House Rules
  4. CommitteeAssigned to Revenue & Finance Committee · House Revenue & Finance
  5. CommitteeTo Revenue-Income Tax Subcommittee · House Income Tax Subcommittee
  6. CommitteeRule 19(a) / Re-referred to Rules Committee · House Rules
  7. HouseSession Sine Die

Roll calls

No recorded votes on this bill yet.

Sponsors

The member who introduced it.

From Illinois's official records (www.ilga.gov), checked Nov 13, 2026. Text links go to the official versions; LegiList does not copy bill text.