Senate bill · 20252026
SB 503
Health care services: artificial intelligence.
Progress
588 days from first to latest action, across 46 recorded actions.
Filed
Feb 19
Referred to committee
Feb 26
Heard in committee
Apr 10
Reported from committee
Apr 10
Passed first chamber
May 29
Passed second chamber
Aug 24
Sent to governor
Aug 30
Became law
Sep 30
Filled marks are milestones (committee report, floor passage, governor action). Larger marks hold more same-day actions.
Record votes
Each dot is one member, grouped by how they voted.
Do pass as amended, but first amend, and re-refer to the Committee on [Governmental Organization]
Senate · Apr 9, 2025
Passed 10–0
10 Yea
0 Nay
1 Absent / not voting
Do pass, but first be re-referred to the Committee on [Appropriations]
Senate · Apr 29, 2025
Passed 13–0
13 Yea
0 Nay
0 Absent / not voting
Placed on suspense file
Senate · May 12, 2025
Passed 7–0
7 Yea
0 Nay
0 Absent / not voting
Do pass
Senate · May 23, 2025
Passed 6–0
6 Yea
0 Nay
1 Absent / not voting
Special Consent SB503 Weber Pierson et al.
Senate · May 29, 2025
Passed 38–0
38 Yea
0 Nay
2 Absent / not voting
Do pass as amended and be re-referred to the Committee on [Privacy and Consumer Protection]
Assembly · Jul 8, 2025
Passed 16–0
16 Yea
0 Nay
0 Absent / not voting
Do pass as amended and be re-referred to the Committee on [Appropriations]
Assembly · Jul 16, 2025
Passed 13–0
13 Yea
0 Nay
2 Absent / not voting
Do pass.
Assembly · Aug 29, 2025
Passed 15–0
15 Yea
0 Nay
0 Absent / not voting
SB 503 Weber Pierson Senate Third Reading By Wilson
Assembly · Aug 24, 2026
Passed 70–1
70 Yea
1 Nay
8 Absent / not voting
Unfinished Business SB503 Weber Pierson et al. Concurrence
Senate · Aug 25, 2026
Passed 39–0
39 Yea
0 Nay
1 Absent / not voting
Full history
Every action recorded by California Legislative Information.
Chaptered by Secretary of State. Chapter 857, Statutes of 2026.
Sep 30, 2026 · Joint
Approved by the Governor.
Sep 30, 2026 · Joint
Enrolled and presented to the Governor at 6 p.m.
Aug 30, 2026 · Joint
Assembly amendments concurred in. (Ayes 39. Noes 0. Page 5739.) Ordered to engrossing and enrolling. Appropriations
Aug 25, 2026 · Senate
In Senate. Concurrence in Assembly amendments pending.
Aug 24, 2026 · Senate
Read third time. Passed. (Ayes 70. Noes 1. Page 6384.) Ordered to the Senate.
Aug 24, 2026 · Assembly
Ordered to third reading.
Aug 19, 2026 · Assembly
Read third time and amended.
Aug 19, 2026 · Assembly
Ordered to third reading.
Aug 12, 2026 · Assembly
From inactive file.
Aug 12, 2026 · Assembly
Notice of intention to remove from inactive file given by Assembly Member Wilson.
Aug 11, 2026 · Assembly
Ordered to inactive file on request of Assembly Member Aguiar-Curry.
Sep 10, 2025 · Assembly
Ordered to third reading.
Sep 4, 2025 · Assembly
Read third time and amended.
Sep 4, 2025 · Assembly
Read second time. Ordered to third reading.
Sep 2, 2025 · Assembly
From committee: Do pass. (Ayes 15. Noes 0.) (August 29). Appropriations
Aug 29, 2025 · Assembly
August 20 set for first hearing. Placed on APPR. suspense file.
Aug 20, 2025 · Assembly
Read second time and amended. Re-referred to Com. on APPR. Appropriations
Jul 17, 2025 · Assembly
From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 13. Noes 0.) (July 16).
Jul 17, 2025 · Assembly
Assembly Rule 63 suspended. (Ayes 49. Noes 15. Page 2578.)
Jul 17, 2025 · Assembly
Read second time and amended. Re-referred to Com. on P. & C.P. Privacy and Consumer Protection
Jul 10, 2025 · Assembly
From committee: Do pass as amended and re-refer to Com. on P. & C.P. (Ayes 16. Noes 0.) (July 8).
Jul 9, 2025 · Assembly
From committee with author's amendments. Read second time and amended. Re-referred to Com. on HEALTH. Health
Jun 30, 2025 · Assembly
July 1 hearing postponed by committee.
Jun 24, 2025 · Assembly
Referred to Coms. on HEALTH and P. & C.P. Health
Jun 5, 2025 · Assembly
In Assembly. Read first time. Held at Desk.
May 29, 2025 · Assembly
Read third time. Passed. (Ayes 38. Noes 0. Page 1327.) Ordered to the Assembly.
May 29, 2025 · Senate
Ordered to special consent calendar.
May 27, 2025 · Senate
Read second time. Ordered to third reading.
May 23, 2025 · Senate
From committee: Do pass. (Ayes 6. Noes 0. Page 1202.) (May 23). Appropriations
May 23, 2025 · Senate
Set for hearing May 23.
May 16, 2025 · Senate
May 12 hearing: Placed on APPR. suspense file.
May 12, 2025 · Senate
Set for hearing May 12.
May 2, 2025 · Senate
From committee: Do pass and re-refer to Com. on APPR. (Ayes 13. Noes 0. Page 941.) (April 29). Re-referred to Com. on APPR. Appropriations
Apr 30, 2025 · Senate
Re-referred to Com. on JUD. Judiciary
Apr 23, 2025 · Senate
Set for hearing April 29 in JUD. pending receipt.
Apr 22, 2025 · Senate
Re-referred to Com. on RLS. Rules
Apr 10, 2025 · Senate
Withdrawn from committee.
Apr 10, 2025 · Senate
Read second time and amended. Re-referred to Com. on G.O. Governmental Organization
Apr 10, 2025 · Senate
From committee: Do pass as amended and re-refer to Com. on G.O. (Ayes 10. Noes 0. Page 737.) (April 9).
Apr 10, 2025 · Senate
Set for hearing April 9.
Apr 2, 2025 · Senate
Re-referred to Coms. on HEALTH and G.O. Health
Apr 2, 2025 · Senate
From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS. Rules
Mar 25, 2025 · Senate
Referred to Com. on RLS. Rules
Feb 26, 2025 · Senate
From printer. May be acted upon on or after March 22.
Feb 20, 2025 · Senate
Introduced. Read first time. To Com. on RLS. for assignment. To print.
Feb 19, 2025 · Senate
Authors
and 11 coauthors or sponsors
Show 11 more
- Laura Richardson coauthorD
- Isaac Bryan coauthorD
- Tina McKinnor coauthorD
- Sade Elhawary coauthorD
- Mia Bonta coauthorD
- LaShae Sharp-Collins coauthorD
- Lola Smallwood-Cuevas coauthorD
- Rhodesia Ransom coauthorD
- Lori Wilson coauthorD
- Mike Gipson coauthorD
- Corey Jackson coauthorD
In committee
- Rules
Senate
Referred Feb 26, 2025 · never reported
- Health
Senate
Referred Apr 2, 2025 · heard Apr 10, 2025 · reported after 8 days
- Governmental Organization
Senate
Referred Apr 10, 2025 · never reported
- Judiciary
Senate
Referred Apr 23, 2025 · heard Apr 30, 2025 · reported after 7 days
- Appropriations
Senate
Referred Apr 30, 2025 · heard May 23, 2025 · reported after 23 days
- Health
Assembly
Referred Jun 5, 2025 · heard Jul 9, 2025 · reported after 34 days
- Privacy and Consumer Protection
Assembly
Referred Jul 10, 2025 · heard Jul 17, 2025 · reported after 7 days
- Appropriations
Assembly
Referred Jul 17, 2025 · heard Aug 29, 2025 · reported after 43 days
Topics
Bill text
Bills on similar topics
Other legislation this session sharing the most subjects.
| Bill | Author | Progress | Status | Last action |
|---|---|---|---|---|
| AB 1979Health care services: artificial intelligence. | Mia BontaD | Became law | Became law | Sep 30, 2026Chaptered by Secretary of State - Chapter 854, Statutes of 2026. |
| AB 2575Health care services: artificial intelligence. | Liz OrtegaD | Sent to governor | Vetoed | Sep 30, 2026Vetoed by Governor. |
| AB 2504Community colleges: artificial intelligence: pilot program. | Rebecca Bauer-KahanD | Became law | Became law | Sep 18, 2026Chaptered by Secretary of State - Chapter 305, Statutes of 2026. |
| AB 979California Cybersecurity Integration Center: artificial intelligence. | Jacqui IrwinD | Became law | Became law | Oct 3, 2025Chaptered by Secretary of State - Chapter 285, Statutes of 2025. |
| AB 1651State Bar of California: artificial intelligence. | Diane DixonR | Became law | Became law | Aug 22, 2026Chaptered by Secretary of State - Chapter 116, Statutes of 2026. |
| AB 489Health care professions: deceptive terms or letters: artificial intelligence. | Mia BontaD | Became law | Became law | Oct 11, 2025Chaptered by Secretary of State - Chapter 615, Statutes of 2025. |