United States of America: Transparency requirements in Act on frontier artificial intelligence models and whistleblower protections (SB 53)

Progress

Current status
adopted
01 Jan 2026 in force
29 Sep 2025 adopted
13 Sep 2025 adopted
07 Jan 2025 under deliberation

Scope

Implementers
United States of America
Policy Area
Design and testing standards
Policy Instrument
Testing requirement
Regulated Economic Activity
ML and AI development
Government Branch
executive
legislature
Government Body
central government
parliament
Implementation Level
subnational

Timeline of events

01 Jan 2026
in force

Act on frontier artificial intelligence models and whistleblower protections including transparency requirements (SB 53) enters into force

On 1 January 2026, the Transparency in Frontier Artificial Intelligence Act (SB 53) enters into force. The Law applies to frontier developers and large frontier developers of foundation models, including those with annual revenue above USD 500 milli…

Source
Event type law
Action type implementation
Government branch executive
Government body central government
29 Sep 2025
adopted

Governor signed Act on frontier artificial intelligence models and whistleblower protections including transparency requirements (SB 53)

On 29 September 2025, the Governor of California signed the Transparency in Frontier Artificial Intelligence Act (SB 53). The Law applies to frontier developers and large frontier developers of foundation models, including those with annual revenue …

Source
Event type law
Action type signing
Government branch executive
Government body central government
13 Sep 2025
adopted

Act on frontier artificial intelligence models and whistleblower protections including transparency requirements (SB 53) was adopted by California Legislature

On 13 September 2025, the California Legislature adopted the Transparency in Frontier Artificial Intelligence Act (SB 53). The Law applies to frontier developers and large frontier developers of foundation models, including those with annual revenue…

Source
Event type law
Action type adoption
Government branch legislature
Government body parliament
07 Jan 2025
under deliberation

Act on frontier artificial intelligence models and whistleblower protections including transparency requirements (SB 53) was introduced to California Senate

On 7 January 2025, the Act on frontier artificial intelligence (AI) models and whistle blower protections (SB 53) was introduced to the California Senate. The Act establishes essential safeguards for developing AI frontier models and enhances the st…

Source
Event type law
Action type introduction
Government branch legislature
Government body parliament