AB853California2025 sessionPassed / Enacted
California AI Transparency Act.
Plain-language summary
The California AI Transparency Act amends and expands existing Business and Professions Code provisions governing AI systems to require greater transparency in how AI products are deployed and labeled. The bill adds new disclosure requirements for AI developers or deployers operating in California. It builds on prior AI transparency legislation to strengthen consumer-facing obligations.
Summary generated by AI from the official bill text — may contain errors.
History
Feb 19, 2025
ARead first time. To print.
Feb 20, 2025
AFrom printer. May be heard in committee March 22.
Mar 28, 2025
AReferred to Coms. on P. & C.P. and JUD.
Mar 28, 2025
AFrom committee chair, with author's amendments: Amend, and re-refer to Com. on P. & C.P. Read second time and amended.
Apr 1, 2025
ARe-referred to Com. on P. & C.P.
Apr 23, 2025
AFrom committee: Do pass and re-refer to Com. on JUD. (Ayes 11. Noes 1.) (April 22). Re-referred to Com. on JUD.
Apr 30, 2025
ACoauthors revised.
Apr 30, 2025
AFrom committee: Do pass and re-refer to Com. on APPR. (Ayes 9. Noes 0.) (April 29). Re-referred to Com. on APPR.
May 7, 2025
AIn committee: Set, first hearing. Referred to APPR. suspense file.
May 23, 2025
AAssembly Rule 63 suspended. (Ayes 51. Noes 16. Page 1644.)
May 23, 2025
AFrom committee: Amend, and do pass as amended. (Ayes 11. Noes 0.) (May 23).
May 23, 2025
ARead second time and amended. Ordered returned to second reading.
May 27, 2025
ARead second time. Ordered to third reading.
Jun 2, 2025
ARead third time. Passed. Ordered to the Senate. (Ayes 58. Noes 2. Page 1908.)
Jun 3, 2025
SIn Senate. Read first time. To Com. on RLS. for assignment.
Jun 11, 2025
SReferred to Com. on JUD.
Jul 16, 2025
SFrom committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 11. Noes 0.) (July 15).
Jul 17, 2025
SRead second time and amended. Re-referred to Com. on APPR.
Aug 18, 2025
SIn committee: Referred to suspense file.
Aug 29, 2025
SFrom committee: Do pass. (Ayes 5. Noes 2.) (August 29).
Aug 29, 2025
SRead second time. Ordered to third reading.
Sep 5, 2025
SRead third time and amended. Ordered to second reading.
Sep 8, 2025
SRead second time. Ordered to third reading.
Sep 11, 2025
SRead third time. Passed. Ordered to the Assembly. (Ayes 30. Noes 6. Page 2906.).
Sep 12, 2025
AIn Assembly. Concurrence in Senate amendments pending.
Sep 12, 2025
ASenate amendments concurred in. To Engrossing and Enrolling. (Ayes 60. Noes 4. Page 3381.).
Sep 24, 2025
Enrolled and presented to the Governor at 3 p.m.
Oct 13, 2025
Approved by the Governor.
Oct 13, 2025
Chaptered by Secretary of State - Chapter 674, Statutes of 2025.
Progress
Introduced
Engrossed
Enrolled
Passed
Signed into lawOct 13, 2025
Sponsors
BW
Rep. Buffy Wicks (D)Prime sponsor
JB
Sen. Josh Becker (D)
RZ
Rep. Rick Zbur (D)
Sources
Always verify against the official source. Summaries are AI-generated and may contain errors.