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Illinois General Assembly · SB 3880 · Governor Approved

SUBSTANCE USE DISORDER SERVICE

Introduced
Moved
Reached a final decision
Became law
Derived from the official record below.

Officially: “SUBSTANCE USE DISORDER SERVICE” Read the full text

Official title shown verbatim from the official record. Plain-language summary coming as coverage deepens. Not legal advice.
104th General Assembly

Where it is

Show all 38 actions
Filed with Secretary by Sen. Michael W. Halpin · Feb 6, 2026

Senate

Referred to Assignments · Feb 6, 2026

Senate

Added as Co-Sponsor Sen. Mattie Hunter · Feb 10, 2026

Senate

Added as Chief Co-Sponsor Sen. Adriane L. Johnson · Feb 18, 2026

Senate

Added as Chief Co-Sponsor Sen. Graciela Guzmán · Feb 19, 2026

Senate

Assigned to Criminal Law · Mar 4, 2026

Senate

Added as Co-Sponsor Sen. Lakesia Collins · Mar 4, 2026

Senate

Do Pass Criminal Law; 009-000-000 · Mar 11, 2026

Senate

Placed on Calendar Order of 2nd Reading March 12, 2026 · Mar 11, 2026

Senate

Added as Co-Sponsor Sen. Javier L. Cervantes · Mar 24, 2026

Senate

Senate Floor Amendment No. 1 Filed with Secretary by Sen. Michael W. Halpin · Mar 26, 2026

Senate

Senate Floor Amendment No. 1 Referred to Assignments · Mar 26, 2026

Senate

Senate Floor Amendment No. 1 Assignments Refers to Criminal Law · Apr 14, 2026

Senate

Placed on Calendar Order of 3rd Reading April 15, 2026 · Apr 14, 2026

Senate

Senate Floor Amendment No. 1 Recommend Do Adopt Criminal Law; 008-000-000 · Apr 14, 2026

Senate

Recalled to Second Reading · Apr 15, 2026

Senate

Senate Floor Amendment No. 1 Adopted; Halpin · Apr 15, 2026

Senate

Placed on Calendar Order of 3rd Reading · Apr 15, 2026

Senate

Added as Chief Co-Sponsor Sen. Mary Edly-Allen · Apr 15, 2026

Senate

Added as Co-Sponsor Sen. Mike Simmons · Apr 15, 2026

Senate

Arrived in House · Apr 15, 2026

House

Chief House Sponsor Rep. Lisa Davis · Apr 15, 2026

House

Referred to Rules Committee · Apr 15, 2026

House

Added as Co-Sponsor Sen. Kimberly A. Lightford · Apr 16, 2026

Senate

Added as Co-Sponsor Sen. Karina Villa · Apr 20, 2026

Senate

Assigned to Judiciary - Criminal Committee · Apr 27, 2026

House

Do Pass / Short Debate Judiciary - Criminal Committee; 014-000-000 · May 5, 2026

House

Placed on Calendar 2nd Reading - Short Debate · May 6, 2026

House

Added Alternate Co-Sponsor Rep. Gregg Johnson · May 14, 2026

House

Held on Calendar Order of Second Reading - Short Debate · May 19, 2026

House

Placed on Calendar Order of 3rd Reading - Short Debate · May 20, 2026

House

Third Reading/Final Action Deadline Extended-9(b) May 31, 2026 · May 22, 2026

House

Added Alternate Chief Co-Sponsor Rep. Michael Crawford · May 26, 2026

House

Passed Both Houses · May 30, 2026

Senate

Added Alternate Chief Co-Sponsor Rep. Carol Ammons · May 30, 2026

House

Sent to the Governor · Jun 26, 2026

Senate

Governor Approved · Aug 7, 2026

Senate

Effective Date January 1, 2027 · Aug 7, 2026

Senate

The numbers

14
sponsors on the bill

Sponsors

Michael W. HalpinAdriane L. JohnsonGraciela GuzmánMary Edly-AllenMattie HunterLakesia CollinsJavier L. CervantesMike SimmonsKimberly A. LightfordKarina VillaLisa DavisMichael CrawfordCarol AmmonsGregg Johnson

Recorded votes

THIRD READINGHouse · 2026-05-30 · PASSED · NAYS 0, PRESENT 0, YEAS 116
THIRD READINGSenate · 2026-04-15 · YEAS 55, NAYS 0, PRESENT 0
Roll-call results shown verbatim from the Illinois legislature’s records. A result reflects that roll call’s own motion, not the bill’s overall outcome.
Every fact on this page links to its source, starting with the official bill record. Last action: Effective Date January 1, 2027 (Aug 7, 2026).