Illinois · Senate Bill 3486 · 104th General Assembly

INC TAX-COMBINED REPORTING

  1. Introduced Feb 5, 2026
  2. In committee Feb 5, 2026
  3. Passed the Senate Next
  4. Passed the House  
  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. Provides that provisions of the Act that provide that a taxpayer's unitary business group does not include members whose business activity outside the United States is 80% or more of the member's total business activity apply only for taxable years ending before January 1, 2026. Makes corresponding changes to deductions and addition modifications concerning those members of the…

Read the full title (140 words)

Amends the Illinois Income Tax Act. Provides that provisions of the Act that provide that a taxpayer's unitary business group does not include members whose business activity outside the United States is 80% or more of the member's total business activity apply only for taxable years ending before January 1, 2026. Makes corresponding changes to deductions and addition modifications concerning those members of the unitary business group. Provides that, with respect to the term "foreign person", "United States" means the 50 states of the United States, the District of Columbia, the territories and possessions of the United States, and any area over which the United States has asserted jurisdiction or claimed exclusive rights with respect to the exploration for or exploitation of natural resources. Adds provisions concerning joint and several liability of members of a combined reporting group. Effective immediately.

Every action

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

Show the 10 earlier steps
  1. SenateFiled with Secretary by Sen. Robert F. Martwick
  2. SenateFirst Reading
  3. CommitteeReferred to Assignments · Senate Assignments
  4. SenateAdded as Co-Sponsor Sen. Rachel Ventura
  5. SenateAdded as Co-Sponsor Sen. Karina Villa
  6. SenateAdded as Co-Sponsor Sen. Adriane Johnson
  7. SenateAdded as Co-Sponsor Sen. Mark L. Walker
  8. SenateAdded as Co-Sponsor Sen. Graciela Guzmán
  9. SenateSponsor Removed Sen. Graciela Guzmán
  10. SenateAdded as Chief Co-Sponsor Sen. Graciela Guzmán
  1. SenateAdded as Co-Sponsor Sen. Javier L. Cervantes
  2. SenateAdded as Co-Sponsor Sen. Mattie Hunter
  3. SenateAdded as Co-Sponsor Sen. Lakesia Collins
  4. SenateAdded as Co-Sponsor Sen. Mary Edly-Allen
  5. SenateAdded as Co-Sponsor Sen. Willie Preston
  6. SenateAdded as Co-Sponsor Sen. Emil Jones, III
  7. SenateAdded as Co-Sponsor Sen. Mike Simmons
  8. SenateAdded as Co-Sponsor Sen. David Koehler

Roll calls

No recorded votes on this bill yet.

Sponsors

The member who introduced it, joined by 13 cosponsors: 13 Democrats.

All 13 cosponsors

From Illinois's official records (www.ilga.gov), checked Nov 2, 2026. Text links go to the official versions; LegiList does not copy bill text.