SB 503
Health care services: artificial intelligence.
Became law · by Weber Pierson · full text and history
Latest floor vote
Senate floor, 2026-08-25: (PASS), 39 ayes, 0 noes, 1 not voting · Unfinished Business SB503 Weber Pierson et al. Concurrence
Aye (39): Aisha Wahab D, Akilah Weber Pierson D, Angelique Ashby D, Anna Caballero D, Benjamin Allen D, Bob Archuleta D, Brian Jones R, Caroline Menjivar D, Catherine Blakespear D, Christopher Cabaldon D, Dave Cortese D, Eloise Gómez Reyes D, Henry Stern D, Jerry McNerney D, Jesse Arreguín D, John Laird D, Josh Becker D, Kelly Seyarto R, Laura Richardson D, Lena Gonzalez D, Lola Smallwood-Cuevas D, Maria Elena Durazo D, Marie Alvarado-Gil R, Megan Dahle R, Melissa Hurtado D, Mike McGuire D, Monique Limón D, Roger Niello R, Rosilicie Ochoa Bogh R, Sabrina Cervantes D, Sasha Renée Pérez D, Scott Wiener D, Shannon Grove R, Stephen Padilla D, Steven Choi R, Susan Rubio D, Thomas Umberg D, Timothy Grayson D, Tony Strickland R
Not voting (1): Suzette Martinez Valladares R
Who lobbied on it
24 lobbyist employers, lobbying firms and others name SB 503 in their reports since 2025 (not their position). Linked: those who gave to two or more 2026 state candidates.
ADVANCED MEDICAL TECHNOLOGY ASSOCIATION (ADVAMED) · Amazon.com Services LLC · DEXCOM INC. · Meta Platforms, Inc. · Pfizer Inc. · ATA ACTION, CORP. · BD · BIOCOM CALIFORNIA · BOSTON SCIENTIFIC CORPORATION · CALIFORNIA LIFE SCIENCES · CALIFORNIA OPTOMETRIC ASSOCIATION · COMPUTER & COMMUNICATIONS INDUSTRY ASSOCIATION · CONSUMER TECHNOLOGY ASSOCIATION · GENENTECH, INC., A MEMBER OF THE ROCHE GROUP · GREATER SACRAMENTO URBAN LEAGUE · Hims & Hers Health, Inc. · INTUITIVE SURGICAL INC. · Kaiser Foundation Health Plan, Inc. · MEDTRONIC, INC. · OCHIN, Inc. · OTSUKA AMERICA PHARMACEUTICAL, INC. · Teladoc Health, Inc. · United Nurses Associations of California/Union of Health Care Professionals · WAYSTAR, INC.
Every recorded vote
| Date | Where | Result | Ayes | Noes |
|---|---|---|---|---|
| 2025-04-09 | Sen Health Do pass as amended, but first amend, and re-refer to the Committee on [Governmental Organization] | (PASS) | 10 | 0 |
| 2025-04-29 | Sen Judiciary Do pass, but first be re-referred to the Committee on [Appropriations] | (PASS) | 13 | 0 |
| 2025-05-12 | Sen Appropriations Placed on suspense file | (PASS) | 7 | 0 |
| 2025-05-23 | Sen Appropriations Do pass | (PASS) | 6 | 0 |
| 2025-05-29 | Senate floor Special Consent SB503 Weber Pierson et al. | (PASS) | 38 | 0 |
| 2025-07-08 | Asm Health Do pass as amended and be re-referred to the Committee on [Privacy and Consumer Protection] | (PASS) | 16 | 0 |
| 2025-07-16 | Asm Privacy and Consumer Protection Do pass as amended and be re-referred to the Committee on [Appropriations] | (PASS) | 13 | 0 |
| 2025-08-29 | Asm Appropriations Do pass. | (PASS) | 15 | 0 |
| 2026-08-24 | Assembly floor SB 503 Weber Pierson Senate Third Reading By Wilson | (PASS) | 70 | 1 |
| 2026-08-25 | Senate floor Unfinished Business SB503 Weber Pierson et al. Concurrence | (PASS) | 39 | 0 |