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Newsom Signs SB 53, Setting California’s Frontier AI Transparency and Safety Rules

The measure stems from a 2024 veto‑driven review to position California as a model for responsible oversight.

Overview

  • Large frontier AI developers must publicly publish frameworks showing how they incorporate national, international, and industry-consensus standards.
  • Developers must report critical safety incidents to the California Office of Emergency Services, with anonymized, aggregated annual reports beginning in 2027.
  • SB 53 creates CalCompute within the Government Operations Agency to design a public computing cluster that supports safe, ethical AI research and deployment.
  • The law strengthens protections for employees who disclose significant health and safety risks, and violations can draw civil penalties of up to $1 million enforceable by the Attorney General.
  • Industry groups including the California Chamber of Commerce and the Chamber of Progress opposed the bill, arguing it forces work on hypothetical risks at the expense of addressing proven harms.