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Home/News/September 2025

California enacts the Transparency in Frontier Artificial Intelligence Act

Large frontier developers must publish safety frameworks with cybersecurity practices for unreleased weights, publish transparency reports, and report critical safety incidents including weight theft and deceptive model behaviour to the Office of Emergency Services within 15 days.

RegulationUnited States29 Sept 2025

Effective 1 January 2026, the Act protects whistleblowers and creates CalCompute. Its incident definitions became the working vocabulary for frontier incident response within a year.

What to do: frontier developers should align their published frameworks and incident processes; others should note that weight theft and deceptive behaviour are now recognised incident categories.