California AI Transparency Act including design requirements was adopted by California State Legislature
On 12 September 2025, the California Artificial Intelligence (AI) Transparency Act was adopted by the California State Legislature. The Act seeks to establish design requirements for generative AI systems, large online platforms, and capture-device…
Scope
Policy Area
Design and testing standards
Policy Instrument
Design requirement
Regulated Economic Activity
online advertising provider, platform intermediary: user-generated content, ML and AI development, search service provider, platform intermediary: other
Implementation Level
subnational
Government Branch
legislature
Government Body
parliament
Complete timeline of this policy change
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2025-02-19
under deliberation
On 19 February 2025, the California Artificial Intelligence (AI) Transparency Act was introduced to…
2025-06-02
under deliberation
On 2 June 2025, the California Artificial Intelligence (AI) Transparency Act was passed by the Cali…
2025-09-12
adopted
On 12 September 2025, the California Artificial Intelligence (AI) Transparency Act was adopted by t…
2025-10-13
adopted
On 13 October 2025, the California Artificial Intelligence (AI) Transparency Act was signed by the …
2026-08-02
in grace period
On 2 August 2026, the California Artificial Intelligence (AI) Transparency Act enters into force wi…
2027-01-01
in force
On 1 January 2027, the California Artificial Intelligence (AI) Transparency Act, including design r…
2028-01-01
in force
On 1 January 2028, the California Artificial Intelligence (AI) Transparency Act, including design r…