California
California AI Transparency Act
August 2, 2026
- Who and what
- Covered generative AI providers with more than 1,000,000 monthly visitors or users and public access in California. Later duties reach large online platforms, GenAI hosting platforms, and capture-device manufacturers.
- Core duty
- Provider-specific detection, optional manifest disclosure, embedded latent disclosure, and license controls for covered image, video, and audio. Platform duties begin January 1, 2027. Capture-device duties begin January 1, 2028.
- C2PA relationship
- C2PA can carry the signed system provenance record and support platform detection, display, and integrity checks. It does not replace durable latent marking, provider detection, user experience, privacy, or operating controls.