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Updated:   2026-06-28

SB 53

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Measure SB 53
Authors Wiener  
Coauthors: Rubio  
Subject Artificial intelligence models: large developers.
Relating To relating to artificial intelligence.
Title An act to add Chapter 25.1 (commencing with Section 22757.10) to Division 8 of the Business and Professions Code, to add Section 11546.8 to the Government Code, and to add Chapter 5.1 (commencing with Section 1107) to Part 3 of Division 2 of the Labor Code, relating to artificial intelligence.
Last Action Dt 2025-09-29
State Chaptered
Status Chaptered
Flags
Vote Req Approp Fiscal Cmte Local Prog Subs Chgs Urgency Tax Levy Active?
Majority No Yes No None No No Y
Leginfo Link  
Bill Actions
2025-09-29     Chaptered by Secretary of State. Chapter 138, Statutes of 2025.
2025-09-29     Approved by the Governor.
2025-09-23     Enrolled and presented to the Governor at 2 p.m.
2025-09-13     Assembly amendments concurred in. (Ayes 29. Noes 8. Page 3039.) Ordered to engrossing and enrolling.
2025-09-13     In Senate. Concurrence in Assembly amendments pending.
2025-09-12     Read third time. Passed. (Ayes 59. Noes 7. Page 3432.) Ordered to the Senate.
2025-09-12     Assembly Rule 63 suspended.
2025-09-12     Read second time. Ordered to third reading.
2025-09-11     From committee: Do pass. (Ayes 12. Noes 1.) (September 11).
2025-09-09     Joint Rule 62(a) suspended.
2025-09-08     Re-referred to Com. on P. & C.P. pursuant to Assembly Rule 77.2.
2025-09-05     Ordered to third reading.
2025-09-05     Read third time and amended.
2025-09-05     Assembly Rule 69(b)(1) suspended.
2025-09-03     Read second time. Ordered to third reading.
2025-09-02     Read second time and amended. Ordered to second reading.
2025-08-29     From committee: Do pass as amended. (Ayes 11. Noes 1.) (August 29).
2025-08-20     August 20 set for first hearing. Placed on APPR. suspense file.
2025-07-17     Read second time and amended. Re-referred to Com. on APPR.
2025-07-16     From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 9. Noes 0.) (July 16).
2025-07-08     From committee with author's amendments. Read second time and amended. Re-referred to Com. on P. & C.P.
2025-07-02     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.
2025-06-12     Re-referred to Coms. on JUD. and P. & C.P. pursuant to Assembly Rule 96.
2025-06-05     Referred to Coms. on P. & C.P. and JUD.
2025-05-28     In Assembly. Read first time. Held at Desk.
2025-05-28     Read third time. Passed. (Ayes 37. Noes 0. Page 1281.) Ordered to the Assembly.
2025-05-27     Read second time. Ordered to third reading.
2025-05-23     From committee: Do pass as amended. (Ayes 6. Noes 0. Page 1189.) (May 23).
2025-05-23     Read second time and amended. Ordered to second reading.
2025-05-16     Set for hearing May 23.
2025-04-21     April 21 hearing: Placed on APPR. suspense file.
2025-04-10     Set for hearing April 21.
2025-04-09     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.
2025-04-01     Set for hearing April 8.
2025-03-27     Read second time and amended. Re-referred to Com. on JUD.
2025-03-26     From committee: Do pass as amended and re-refer to Com. on JUD. (Ayes 13. Noes 0. Page 530.) (March 25).
2025-03-17     Set for hearing March 25.
2025-03-12     Re-referred to Coms. on G.O. and JUD.
2025-02-27     From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS.
2025-01-29     Referred to Com. on RLS.
2025-01-08     From printer. May be acted upon on or after February 7.
2025-01-07     Introduced. Read first time. To Com. on RLS. for assignment. To print.
Versions
    Length
Chaptered     2025-09-29     60854
Enrolled     2025-09-17     60342
Amended Assembly     2025-09-05     93239
Amended Assembly     2025-09-02     56362
Amended Assembly     2025-07-17     61412
Amended Assembly     2025-07-08     54368
Amended Senate     2025-05-23     25723
Amended Senate     2025-03-27     21483
Amended Senate     2025-02-27     23991
Introduced     2025-01-07     4773
Analyses TBD