SB1000California2025 sessionEnrolled
California AI Transparency Act.
Plain-language summary
Amends the California AI Transparency Act to update disclosure and provenance requirements for generative AI systems under the Business and Professions Code. Declared an urgency measure to take effect immediately.
Summary generated by AI from the official bill text — may contain errors.
History
Feb 9, 2026
SIntroduced. Read first time. To Com. on RLS. for assignment. To print.
Feb 10, 2026
SFrom printer. May be acted upon on or after March 12.
Feb 18, 2026
SReferred to Com. on P., D.T., & C.P.
Mar 26, 2026
SFrom committee with author's amendments. Read second time and amended. Re-referred to Com. on P., D.T., & C.P.
Apr 13, 2026
SSet for hearing April 13.
Apr 14, 2026
SFrom committee: Do pass and re-refer to Com. on APPR. (Ayes 8. Noes 1. Page 3843.) (April 13). Re-referred to Com. on APPR.
Apr 17, 2026
SSet for hearing April 27.
Apr 27, 2026
SApril 27 hearing: Placed on APPR. suspense file.
May 8, 2026
SSet for hearing May 14.
May 14, 2026
SFrom committee: Do pass. (Ayes 5. Noes 0. Page 4260.) (May 14).
May 14, 2026
SRead second time. Ordered to third reading.
May 19, 2026
SRead third time. Urgency clause adopted. Passed. (Ayes 33. Noes 1. Page 4345.) Ordered to the Assembly.
May 20, 2026
AIn Assembly. Read first time. Held at Desk.
May 26, 2026
AReferred to Com. on P. & C.P.
Jun 9, 2026
AFrom committee with author's amendments. Read second time and amended. Re-referred to Com. on P. & C.P.
Jun 17, 2026
AFrom committee: Do pass and re-refer to Com. on APPR. (Ayes 15. Noes 0.) (June 16). Re-referred to Com. on APPR.
Jul 1, 2026
AFrom committee: Do pass. (Ayes 10. Noes 0.) (July 1).
Jul 2, 2026
ARead second time. Ordered to third reading.
Aug 21, 2026
AAssembly Rule 69(b)(1) suspended.
Aug 21, 2026
ARead third time and amended.
Aug 21, 2026
AOrdered to third reading.
Aug 25, 2026
ARead third time. Urgency clause adopted. Passed. Ordered to the Senate.
Aug 25, 2026
SIn Senate. Concurrence in Assembly amendments pending.
Aug 27, 2026
SAssembly amendments concurred in. (Ayes 39. Noes 0.) Ordered to engrossing and enrolling.
Sep 2, 2026
Enrolled and presented to the Governor at 3 p.m.
Progress
Introduced
Engrossed
EnrolledAug 27, 2026
Passed
Signed into law
Sponsors
JB
Sen. Josh Becker (D)Prime sponsor
Sources
Always verify against the official source. Summaries are AI-generated and may contain errors.