Rules · California

California’s frontier AI law to start yearly whistleblower reports

California Transparency in Frontier Artificial Intelligence Act. Large frontier developers must publish a frontier AI framework. All frontier developers must publish a transparency report for each new or substantially modified frontier model and report critical safety incidents to the state. It also protects whistleblowers.

SB 53, Chapter 138, Statutes of 2025 (Bus. & Prof. Code § 22757.10 et seq.) · in force

Every date

in date order · as of 12 Nov 2026

1 Jan 2026 take effect The Act takes effect. A large frontier developer must publish a frontier AI framework. Every frontier developer must publish a transparency report before it deploys a new or substantially modified frontier model, and must report critical safety incidents to the Office of Emergency Services within 15 days. For: frontier developers. 22757.10. This chapter shall be known as the Transparency in Frontier Artificial Intelligence Act. — SB 53 (2025), Chapter 138, Statutes of 2025, as chaptered; date from California’s default effective date
1 Jan 2027 start yearly whistleblower reports The Attorney General starts a yearly report of anonymized, aggregated information about whistleblower reports from covered employees. For: California Attorney General. (d) (1) Beginning January 1, 2027, and annually thereafter, the Attorney General shall produce a report with anonymized and aggregated information about reports from covered employees — SB 53 (2025), Chapter 138, Statutes of 2025, as chaptered
1 Jan 2027 start yearly reviews of its definitions The Department of Technology must review the Act's definitions of frontier model, frontier developer and large frontier developer each year, and recommend updates. For: California Department of Technology. (a) On or before January 1, 2027, and annually thereafter, the Department of Technology shall assess recent evidence and developments relevant to the purposes of this chapter — SB 53 (2025), Chapter 138, Statutes of 2025, as chaptered
1 Jan 2027 start yearly safety-incident reports The Office of Emergency Services starts a yearly report of anonymized, aggregated information about critical safety incidents. For: California Office of Emergency Services. (g) (1) Beginning January 1, 2027, and annually thereafter, the Office of Emergency Services shall produce a report with anonymized and aggregated information about critical safety incidents — SB 53 (2025), Chapter 138, Statutes of 2025, as chaptered

Sources

rules.csv rules.ics Every dataset → Status → Glossary →

California Legislature, Legislative Counsel: SB 53 (2025), Chapter 138, Statutes of 2025, as chaptered (chaptered bill text, from the Legislature's pubinfo file), read 27 Oct 2026; the copy kept 27 Oct 2026 has sha256 20c44f4865db.
California Legislature, Legislative Counsel: California Constitution, Article IV, Section 8 (code section text, from the Legislature's pubinfo file), read 27 Oct 2026; the copy kept 27 Oct 2026 has sha256 3c2542be34d8.