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California · AB853 · 2025 session

California AI Transparency Act.

EnactedChaptered by Secretary of State - Chapter 674, Statutes of 2025 · Oct 13, 2025

In plain language

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. Read the official text ↗ (opens in new tab)

Legislative history

29 actions · newest first
  1. Oct 13, 2025—Chaptered by Secretary of State - Chapter 674, Statutes of 2025.
  2. Oct 13, 2025—Approved by the Governor.
  3. Sep 24, 2025—Enrolled and presented to the Governor at 3 p.m.
  4. Sep 12, 2025AssemblySenate amendments concurred in. To Engrossing and Enrolling. (Ayes 60. Noes 4. Page 3381.).
  5. Sep 12, 2025AssemblyIn Assembly. Concurrence in Senate amendments pending.
  6. Sep 11, 2025SenateRead third time. Passed. Ordered to the Assembly. (Ayes 30. Noes 6. Page 2906.).