CA SB53 | 2025-2026 | Regular Session
Status
Completed Legislative Action
Sponsorship: Partisan Bill (Democrat 2)
Status: Passed on September 29 2025 - 100% progression
Action: 2025-09-29 - Chaptered by Secretary of State. Chapter 138, Statutes of 2025.
Text: Latest bill text (Chaptered) [HTML]
Sponsorship: Partisan Bill (Democrat 2)
Status: Passed on September 29 2025 - 100% progression
Action: 2025-09-29 - Chaptered by Secretary of State. Chapter 138, Statutes of 2025.
Text: Latest bill text (Chaptered) [HTML]
Summary
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.
Title
Artificial intelligence models: large developers.
Sponsors
Roll Calls
2025-09-13 - Senate - Unfinished Business SB53 Wiener et al. Concurrence (Y: 29 N: 8 NV: 0 Abs: 3) [PASS]
2025-09-12 - Assembly - SB 53 Wiener Senate Third Reading By BAUER-KAHAN (Y: 59 N: 7 NV: 0 Abs: 14) [PASS]
2025-09-12 - Senate - Unfinished Business SB53 Wiener et al. Concurrence (Y: 29 N: 8 NV: 0 Abs: 3) [PASS]
2025-09-11 - Assembly - Do pass (Y: 12 N: 1 NV: 0 Abs: 2) [PASS]
2025-08-29 - Assembly - Do pass as amended (Y: 11 N: 1 NV: 0 Abs: 3) [PASS]
2025-07-16 - Assembly - Do pass as amended and be re-referred to the Committee on [Appropriations] (Y: 10 N: 0 NV: 0 Abs: 5) [PASS]
2025-07-01 - Assembly - Do pass and be re-referred to the Committee on [Privacy and Consumer Protection] (Y: 12 N: 0 NV: 0 Abs: 0) [PASS]
2025-05-28 - Senate - Senate 3rd Reading SB53 Wiener (Y: 37 N: 0 NV: 0 Abs: 3) [PASS]
2025-05-23 - Senate - Do pass as amended (Y: 6 N: 0 NV: 0 Abs: 1) [PASS]
2025-04-21 - Senate - Placed on suspense file (Y: 6 N: 0 NV: 0 Abs: 1) [PASS]
2025-04-08 - Senate - Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar (Y: 13 N: 0 NV: 0 Abs: 0) [PASS]
2025-03-25 - Senate - Do pass as amended, but first amend, and re-refer to the Committee on [Judiciary] (Y: 13 N: 0 NV: 0 Abs: 2) [PASS]
2025-09-12 - Assembly - SB 53 Wiener Senate Third Reading By BAUER-KAHAN (Y: 59 N: 7 NV: 0 Abs: 14) [PASS]
2025-09-12 - Senate - Unfinished Business SB53 Wiener et al. Concurrence (Y: 29 N: 8 NV: 0 Abs: 3) [PASS]
2025-09-11 - Assembly - Do pass (Y: 12 N: 1 NV: 0 Abs: 2) [PASS]
2025-08-29 - Assembly - Do pass as amended (Y: 11 N: 1 NV: 0 Abs: 3) [PASS]
2025-07-16 - Assembly - Do pass as amended and be re-referred to the Committee on [Appropriations] (Y: 10 N: 0 NV: 0 Abs: 5) [PASS]
2025-07-01 - Assembly - Do pass and be re-referred to the Committee on [Privacy and Consumer Protection] (Y: 12 N: 0 NV: 0 Abs: 0) [PASS]
2025-05-28 - Senate - Senate 3rd Reading SB53 Wiener (Y: 37 N: 0 NV: 0 Abs: 3) [PASS]
2025-05-23 - Senate - Do pass as amended (Y: 6 N: 0 NV: 0 Abs: 1) [PASS]
2025-04-21 - Senate - Placed on suspense file (Y: 6 N: 0 NV: 0 Abs: 1) [PASS]
2025-04-08 - Senate - Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar (Y: 13 N: 0 NV: 0 Abs: 0) [PASS]
2025-03-25 - Senate - Do pass as amended, but first amend, and re-refer to the Committee on [Judiciary] (Y: 13 N: 0 NV: 0 Abs: 2) [PASS]
History
| Date | Chamber | Action |
|---|---|---|
| 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 | Senate | Assembly amendments concurred in. (Ayes 29. Noes 8. Page 3039.) Ordered to engrossing and enrolling. |
| 2025-09-13 | Senate | In Senate. Concurrence in Assembly amendments pending. |
| 2025-09-12 | Assembly | Read third time. Passed. (Ayes 59. Noes 7. Page 3432.) Ordered to the Senate. |
| 2025-09-12 | Assembly | Assembly Rule 63 suspended. |
| 2025-09-12 | Assembly | Read second time. Ordered to third reading. |
| 2025-09-11 | Assembly | From committee: Do pass. (Ayes 12. Noes 1.) (September 11). |
| 2025-09-09 | Assembly | Joint Rule 62(a) suspended. |
| 2025-09-08 | Assembly | Re-referred to Com. on P. & C.P. pursuant to Assembly Rule 77.2. |
| 2025-09-05 | Assembly | Ordered to third reading. |
| 2025-09-05 | Assembly | Read third time and amended. |
| 2025-09-05 | Assembly | Assembly Rule 69(b)(1) suspended. |
| 2025-09-03 | Assembly | Read second time. Ordered to third reading. |
| 2025-09-02 | Assembly | Read second time and amended. Ordered to second reading. |
| 2025-08-29 | Assembly | From committee: Do pass as amended. (Ayes 11. Noes 1.) (August 29). |
| 2025-08-20 | Assembly | August 20 set for first hearing. Placed on APPR. suspense file. |
| 2025-07-17 | Assembly | Read second time and amended. Re-referred to Com. on APPR. |
| 2025-07-16 | Assembly | From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 9. Noes 0.) (July 16). |
| 2025-07-08 | Assembly | From committee with author's amendments. Read second time and amended. Re-referred to Com. on P. & C.P. |
| 2025-07-02 | Assembly | 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 | Assembly | Re-referred to Coms. on JUD. and P. & C.P. pursuant to Assembly Rule 96. |
| 2025-06-05 | Assembly | Referred to Coms. on P. & C.P. and JUD. |
| 2025-05-28 | Assembly | In Assembly. Read first time. Held at Desk. |
| 2025-05-28 | Senate | Read third time. Passed. (Ayes 37. Noes 0. Page 1281.) Ordered to the Assembly. |
| 2025-05-27 | Senate | Read second time. Ordered to third reading. |
| 2025-05-23 | Senate | Read second time and amended. Ordered to second reading. |
| 2025-05-23 | Senate | From committee: Do pass as amended. (Ayes 6. Noes 0. Page 1189.) (May 23). |
| 2025-05-16 | Senate | Set for hearing May 23. |
| 2025-04-21 | Senate | April 21 hearing: Placed on APPR. suspense file. |
| 2025-04-10 | Senate | Set for hearing April 21. |
| 2025-04-09 | Senate | 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 | Senate | Set for hearing April 8. |
| 2025-03-27 | Senate | Read second time and amended. Re-referred to Com. on JUD. |
| 2025-03-26 | Senate | From committee: Do pass as amended and re-refer to Com. on JUD. (Ayes 13. Noes 0. Page 530.) (March 25). |
| 2025-03-17 | Senate | Set for hearing March 25. |
| 2025-03-12 | Senate | Re-referred to Coms. on G.O. and JUD. |
| 2025-02-27 | Senate | From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS. |
| 2025-01-29 | Senate | Referred to Com. on RLS. |
| 2025-01-08 | Senate | From printer. May be acted upon on or after February 7. |
| 2025-01-07 | Senate | Introduced. Read first time. To Com. on RLS. for assignment. To print. |
Code Citations
| Chapter | Section | Citation Type | Statute Text |
|---|---|---|---|
| Business and Professions Code | 22757.10 | New Code | See Bill Text |
| Government Code | 11546.8 | New Code | See Bill Text |
| Labor Code | 1107 | New Code | See Bill Text |
