California 2025-2026 Regular Session

California Senate Bill SB503

Introduced
9/10/25  
Introduced
2/19/25  
Refer
2/26/25  
Refer
3/25/25  
Refer
4/2/25  
Report Pass
4/10/25  
Refer
4/10/25  
Refer
4/10/25  
Refer
4/23/25  
Report Pass
4/10/25  
Refer
4/23/25  
Report Pass
4/30/25  
Refer
4/30/25  
Report Pass
4/30/25  
Report Pass
5/23/25  
Report Pass
5/23/25  
Engrossed
5/29/25  
Refer
4/30/25  
Report Pass
5/23/25  
Refer
6/5/25  
Engrossed
5/29/25  
Engrossed
5/29/25  
Refer
6/5/25  
Refer
6/30/25  
Report Pass
7/9/25  
Refer
7/10/25  
Report Pass
7/17/25  
Refer
7/17/25  

Caption

An act to add Section 1339.76 to the Health and Safety Code, relating to health care services.

Impact

If enacted, SB 503 will significantly influence how AI is integrated into health care practices in California. Starting January 1, 2027, developers will be required to report on their compliance efforts before making AI systems available for clinical use. Additionally, independent audits will be mandated beginning January 1, 2030, further ensuring accountability in AI deployment. The results of these audits must be publicly available, allowing potential scrutiny and fostering transparency in how AI influences health care delivery.

Summary

Senate Bill 503, introduced by Senator Weber Pierson, addresses the use of artificial intelligence (AI) in health care services, particularly focusing on ensuring that AI systems used in clinical decision-making or resource allocation are free from bias. The bill requires developers and deployers of AI systems to make reasonable efforts to identify systems that may have biased outputs. It mandates regular monitoring of these systems and steps to mitigate any identified risks. This legislation reflects a growing recognition of the potential for AI to impact health outcomes adversely and seeks to safeguard against these risks.

Sentiment

The sentiment surrounding SB 503 appears to be largely supportive among lawmakers focused on ethical AI implementation in health care, as it aims to protect vulnerable populations from biased outcomes. However, there might be concerns from the tech industry regarding the feasibility and potential regulatory burden induced by these compliance requirements. The discussion reflects a commitment to safe AI usage while navigating the complexities involved in rapid technological advancements in health care.

Contention

A notable point of contention may arise around the operational complexities and costs associated with meeting the bill's demands for ongoing compliance and reporting. Stakeholders could debate the balance between encouraging innovation in AI technology and imposing regulatory oversight that may deter developers from creating new solutions. Moreover, discussions may center on how effectively this bill can adapt to the evolving nature of AI technologies, particularly in preventing biases as these systems are continually updated and improved.

Companion Bills

No companion bills found.

Previously Filed As

CA AB54

An act to add Chapter 25 (commencing with Section 27050) to Division 20 of the Health and Safety Code, relating to reproductive health.

CA SB228

An act to add Sections 123486, 123487, 123501, and 123521 to the Health and Safety Code, relating to health care.

CA SB439

An act to amend Sections 127660, 127662, and 127665 of the Health and Safety Code, relating to the California Health Benefit Review Program.

CA SB69

An act to amend Section 44127 of the Health and Safety Code, relating to air pollution.

CA SB520

An act to add Article 7 (commencing with Section 128570) to Chapter 5 of Part 3 of Division 107 of the Health and Safety Code, relating to maternal care and services.

CA AB489

Health care professions: deceptive terms or letters: artificial intelligence.

CA AB1460

An act to add Section 127472 to the Health and Safety Code, relating to prescription drug pricing.

CA AB356

An act to add and repeal Chapter 3 (commencing with Section 127575) of Part 2 of Division 107 of the Health and Safety Code, relating to health care.

CA S2632

Relative to the use of artificial intelligence and other software tools in healthcare decision-making

CA AB2575

An act to add Section 1714.48 to the Civil Code, to add Section 1339.76 to the Health and Safety Code, and to add Article 2.7 (commencing with Section 2820) to Chapter 2 of Division 3 of the Labor Code, relating to health care services.

Similar Bills

CA SB813

California AI Standards and Safety Commission: independent verification organizations.

HI HB1887

Relating To Artificial Intelligence Literacy Education.

HI SB2212

Relating To Artificial Intelligence Literacy Education.

HI SB2923

Relating To Artificial Intelligence.

NJ A4352

Requires school districts to provide instruction on artificial intelligence; requires Secretary of Higher Education to develop artificial intelligence model curricula.

NJ S2860

Establishes Artificial Intelligence Apprenticeship Program and artificial intelligence apprenticeship tax credit program.

CA SB420

An act to add Chapter 24.

CA AB1137

Reporting mechanism: child sexual abuse material.