SB503Introduced in the Senate
Health care services: artificial intelligence.
Introduced by Akilah Weber Pierson, District 39
What does this bill do?
Plain-English breakdown
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Official description
An act to add Chapter 25.3 (commencing with Section 22758) to Division 8 of the Business and Professions Code, relating to health care services.
Where it stands
Chaptered by Secretary of State. Chapter 857, Statutes of 2026.
September 30, 2026
How did lawmakers vote?
Assembly votes
4 recorded votes · each counted separately
Senate votes
6 recorded votes · each counted separately
SenateStage: Unfinished Business SB503 Weber Pierson et al. Concurrence · August 25, 2026
39
Yes
0
No
1
Absent or Not Voting
40 senators recorded in this Senate vote. Colors show vote categories only, not whether a vote was good or bad.
See how each senator voted
| Senator | District | Vote |
|---|---|---|
| Megan Dahle | 1 | Yes |
| Mike McGuire | 2 | Yes |
| Christopher Cabaldon | 3 | Yes |
| Marie Alvarado-Gil | 4 | Yes |
| Jerry McNerney | 5 | Yes |
| Roger Niello | 6 | Yes |
| Jesse Arreguin | 7 | Yes |
| Angelique Ashby | 8 | Yes |
| Tim Grayson | 9 | Yes |
| Aisha Wahab | 10 | Yes |
Bill history
Introduced. Read first time. To Com. on RLS. for assignment. To print.
From printer. May be acted upon on or after March 22.
Referred to Com. on RLS.
From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS.
Re-referred to Coms. on HEALTH and G.O.
Set for hearing April 9.
From committee: Do pass as amended and re-refer to Com. on G.O. (Ayes 10. Noes 0. Page 737.) (April 9).
Read second time and amended. Re-referred to Com. on G.O.
Withdrawn from committee.
Re-referred to Com. on RLS.
Set for hearing April 29 in JUD. pending receipt.
Re-referred to Com. on JUD.
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.
Set for hearing May 12.
May 12 hearing: Placed on APPR. suspense file.
Set for hearing May 23.
From committee: Do pass. (Ayes 6. Noes 0. Page 1202.) (May 23).
Read second time. Ordered to third reading.
Ordered to special consent calendar.
Read third time. Passed. (Ayes 38. Noes 0. Page 1327.) Ordered to the Assembly.
In Assembly. Read first time. Held at Desk.
Referred to Coms. on HEALTH and P. & C.P.
July 1 hearing postponed by committee.
From committee with author's amendments. Read second time and amended. Re-referred to Com. on HEALTH.
From committee: Do pass as amended and re-refer to Com. on P. & C.P. (Ayes 16. Noes 0.) (July 8).
Read second time and amended. Re-referred to Com. on P. & C.P.
Assembly Rule 63 suspended. (Ayes 49. Noes 15. Page 2578.)
From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 13. Noes 0.) (July 16).
Read second time and amended. Re-referred to Com. on APPR.
August 20 set for first hearing. Placed on APPR. suspense file.
From committee: Do pass. (Ayes 15. Noes 0.) (August 29).
Read second time. Ordered to third reading.
Read third time and amended.
Ordered to third reading.
Ordered to inactive file on request of Assembly Member Aguiar-Curry.
Notice of intention to remove from inactive file given by Assembly Member Wilson.
From inactive file.
Ordered to third reading.
Read third time and amended.
Ordered to third reading.
Read third time. Passed. (Ayes 70. Noes 1. Page 6384.) Ordered to the Senate.
In Senate. Concurrence in Assembly amendments pending.
Assembly amendments concurred in. (Ayes 39. Noes 0.) Ordered to engrossing and enrolling.
Enrolled and presented to the Governor at 6 p.m.
Approved by the Governor.
Chaptered by Secretary of State. Chapter 857, Statutes of 2026.
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