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Guide — AI text · California

Do you need to disclose AI-generated text in California?

Often — disclosing AI-generated text in California is required in specific cases and strongly recommended in the rest. Here is the breakdown.

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§ 01 — What the law says

conditionaleffective 2026-08-02

California AI Transparency Act (SB 942) — provenance & detection duties

SB 942 (California AI Transparency Act) targets large 'covered providers' of generative AI (systems with high monthly user counts): they must offer a free AI-detection tool and embed both latent (machine-readable) and optional manifest (visible) disclosures in AI outputs. Amended by AB 853 (signed Oct 2025): a covered provider is a GenAI system with over 1,000,000 monthly users; the operative date moved to 2 Aug 2026, and from 1 Jan 2027 the duties also reach generative-AI hosting platforms.

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Content generated by AI — provenance metadata attached.

Source: California Legislature — SB 942 (AI Transparency Act) · reviewed 2026-06-09

Disclosa provides informational tooling, not legal advice. Rules change frequently and vary by context. Always verify against the official source and consult a qualified professional for your case.