When does California SB 942 take effect?
SB 942, the California AI Transparency Act (covering AI-content disclosure and detection tools for large providers), was enacted with a 2026 effective date that follow-on legislation (AB 853) adjusted — the operative date for key provisions lands around…
Answer.
SB 942, the California AI Transparency Act (covering AI-content disclosure and detection tools for large providers), was enacted with a 2026 effective date that follow-on legislation (AB 853) adjusted — the operative date for key provisions lands around 2026-08-02. Because the timeline has already been amended, confirm the current date before relying on it. Planisphere measures AI behaviour and does not implement your content-disclosure tooling or provide legal advice.
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SB 942 + AB 2013 + SB 53 + CCPA ADMT — the CA frontier/transparency stack.
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