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Regulayer  /  The 146 laws  /  US state law

California · AI Transparency Act

AI content disclosure & provenance.

Applies to: Large generative-AI platforms serving California. Built · in force

What the signed record shows

Latent and manifest disclosures and provenance for AI-generated content.

The proof is a signed, tamper-evident record. Anyone can check it, free, without an account, and nothing has to leave the building to make it. Evidence, not a promise.

Citation: California AI Transparency Act · SB 942 (am. AB 853)

In the same family

What to do about it

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Part of the Regulayer proof catalogue: 146 laws and standards, one sealed engine. This page is a product description, not legal advice.

What the statute requires, section by section

California AI Transparency Act, enacted by SB 942 (2024) and amended by AB 853 (2025), codified at Cal. Bus. & Prof. Code §§ 22757.1 et seq. A "covered provider" is a person that creates a generative AI system with over 1,000,000 monthly users that is publicly accessible in California. Core obligations (operative AUGUST 2, 2026, aligned to the EU AI Act):

Latent disclosure
convey provenance data within AI-generated image/video/ audio content (provider identity, the GenAI system, and time of creation), detectable by an AI-detection tool.
Manifest disclosure
a clear and conspicuous AI disclosure the user can apply to/see on AI-generated content.
AI detection tool
make available, free, a public tool that lets anyone assess whether content was created or altered by the provider's GenAI system and outputs detected provenance data.
Licensee contracts
require third-party licensees to maintain the system's latent-disclosure capability (revoke on removal). AB 853 adds duties for large online platforms and GenAI hosting platforms, operative JANUARY 1, 2027, and for capture-device manufacturers, operative JANUARY 1, 2028 (out of scope of this per-generation pack, see disclosures). Penalty: $5,000 per violation per day.

Taken from the Regulayer entry for this instrument, which is built against the primary text.