Artificial intelligence models: large developers.
Introduced
Moved
Reached a final decision
Became law
Derived from the official record below.
Officially: “Artificial intelligence models: large developers.” Read the full text
Official title shown verbatim from the official record. Plain-language summary coming as coverage deepens. Not legal advice.
2025-2026 session
Where it is
Show all 42 actions
Introduced. Read first time. To Com. on RLS. for assignment. To print. · Jan 7, 2025
From printer. May be acted upon on or after February 7. · Jan 8, 2025
Referred to Com. on RLS. · Jan 29, 2025
From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS. · Feb 27, 2025
Re-referred to Coms. on G.O. and JUD. · Mar 12, 2025
Set for hearing March 25. · Mar 17, 2025
From committee: Do pass as amended and re-refer to Com. on JUD. (Ayes 13. Noes 0. Page 530.) (March 25). · Mar 26, 2025
Read second time and amended. Re-referred to Com. on JUD. · Mar 27, 2025
Set for hearing April 8. · Apr 1, 2025
From committee: Do pass and re-refer to Com. on APPR. with recommendation: To consent calendar. (Ayes 13. Noes 0. Page 705.) (April 8). Re-referred to Com. on APPR. · Apr 9, 2025
Set for hearing April 21. · Apr 10, 2025
April 21 hearing: Placed on APPR. suspense file. · Apr 21, 2025
Set for hearing May 23. · May 16, 2025
From committee: Do pass as amended. (Ayes 6. Noes 0. Page 1189.) (May 23). · May 23, 2025
Read second time and amended. Ordered to second reading. · May 23, 2025
Read second time. Ordered to third reading. · May 27, 2025
Read third time. Passed. (Ayes 37. Noes 0. Page 1281.) Ordered to the Assembly. · May 28, 2025
In Assembly. Read first time. Held at Desk. · May 28, 2025
Referred to Coms. on P. & C.P. and JUD. · Jun 5, 2025
Re-referred to Coms. on JUD. and P. & C.P. pursuant to Assembly Rule 96. · Jun 12, 2025
From committee: Do pass and re-refer to Com. on P. & C.P. (Ayes 12. Noes 0.) (July 1). Re-referred to Com. on P. & C.P. · Jul 2, 2025
From committee with author's amendments. Read second time and amended. Re-referred to Com. on P. & C.P. · Jul 8, 2025
From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 9. Noes 0.) (July 16). · Jul 16, 2025
Read second time and amended. Re-referred to Com. on APPR. · Jul 17, 2025
August 20 set for first hearing. Placed on APPR. suspense file. · Aug 20, 2025
From committee: Do pass as amended. (Ayes 11. Noes 1.) (August 29). · Aug 29, 2025
Read second time and amended. Ordered to second reading. · Sep 2, 2025
Read second time. Ordered to third reading. · Sep 3, 2025
Assembly Rule 69(b)(1) suspended. · Sep 5, 2025
Read third time and amended. · Sep 5, 2025
Ordered to third reading. · Sep 5, 2025
Re-referred to Com. on P. & C.P. pursuant to Assembly Rule 77.2. · Sep 8, 2025
Joint Rule 62(a) suspended. · Sep 9, 2025
From committee: Do pass. (Ayes 12. Noes 1.) (September 11). · Sep 11, 2025
Read second time. Ordered to third reading. · Sep 12, 2025
Assembly Rule 63 suspended. · Sep 12, 2025
Read third time. Passed. (Ayes 59. Noes 7. Page 3432.) Ordered to the Senate. · Sep 12, 2025
In Senate. Concurrence in Assembly amendments pending. · Sep 13, 2025
Assembly amendments concurred in. (Ayes 29. Noes 8. Page 3039.) Ordered to engrossing and enrolling. · Sep 13, 2025
Enrolled and presented to the Governor at 2 p.m. · Sep 23, 2025
Approved by the Governor. · Sep 29, 2025
Chaptered by Secretary of State. Chapter 138, Statutes of 2025. · Sep 29, 2025
The numbers
2
sponsors on the bill
Sponsors
WienerRubio
Recorded votes
Unfinished Business SB53 Wiener et al. ConcurrenceSenate · 2025-09-12 · (PASS) · Ayes 29, Noes 8, Abstain 3
SB 53 Wiener Senate Third Reading By BAUER-KAHANAssembly · 2025-09-12 · (PASS) · Ayes 59, Noes 7, Abstain 14
Do pass.Assembly · 2025-09-11 · (PASS) · Ayes 12, Noes 1, Abstain 2
Do pass as amended.Assembly · 2025-08-29 · (PASS) · Ayes 11, Noes 1, Abstain 3
Do pass as amended and be re-referred to the Committee on [Appropriations]Assembly · 2025-07-16 · (PASS) · Ayes 10, Noes 0, Abstain 5
Do pass and be re-referred to the Committee on [Privacy and Consumer Protection]Assembly · 2025-07-01 · (PASS) · Ayes 12, Noes 0, Abstain 0
Senate 3rd Reading SB53 WienerSenate · 2025-05-28 · (PASS) · Ayes 37, Noes 0, Abstain 3
Do pass as amendedSenate · 2025-05-23 · (PASS) · Ayes 6, Noes 0, Abstain 0
Placed on suspense fileSenate · 2025-04-21 · (PASS) · Ayes 6, Noes 0, Abstain 0
Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent CalendarSenate · 2025-04-08 · (PASS) · Ayes 13, Noes 0, Abstain 0
Do pass as amended, but first amend, and re-refer to the Committee on [Judiciary]Senate · 2025-03-25 · (PASS) · Ayes 13, Noes 0, Abstain 0
Roll-call results shown verbatim from the California 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: Chaptered by Secretary of State. Chapter 138, Statutes of 2025. (Sep 29, 2025).