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Regulation dossier

California, United States

California AI Transparency Act

AI RegulationIn Effect

A focused view of the rule, its enforcement posture, and the timeline teams should keep in their operating plan.

Plain-English summary

What this regulation means

Built for operators

California requires covered generative AI providers to give users clear provenance disclosures when AI-generated or AI-altered content is created or presented. It affects providers and some licensees of large generative AI systems and gives the Attorney General and local public lawyers a civil-enforcement path.

Reading guide

Use the timeline below to see how the rule progressed from enactment to current obligations.

Related regulations surface adjacent requirements in the same jurisdiction or policy lane.

Timeline

Regulatory lifecycle

Sequence: Introduced -> Signed -> In Effect
  1. 1

    Jan 17, 2024

    Introduced

    California SB 942 was introduced to require transparency for covered generative AI content.

  2. 2

    Sep 19, 2024

    Signed

    The governor signed the California AI Transparency Act into law.

  3. 3

    Jan 1, 2026

    In Effect

    The AI transparency disclosure requirements became effective for covered providers.

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