CA SB 1047
California SB 1047 (Safe and Secure Innovation for Frontier AI)
Would have required safety testing and "kill switch" capabilities for frontier AI models above certain compute thresholds. Governor vetoed citing concerns about threshold-based approach.
Jurisdiction
California
Enacted
Pending
Effective
TBD
Enforcement
TBD
Vetoed September 2024
CA LegislatureWhy It Matters
Clearest US example of attempted frontier model safety regulation. Veto reasoning (prefer risk-based over size-based) may shape future attempts.
Recent Developments
Governor Newsom's veto message cited concerns that size-based thresholds were not risk-informed and could create false security.
At a Glance
Applies to
Who Must Comply
- Would have applied to frontier AI models exceeding compute thresholds
Obligations fall on:
Safety Provisions
- Would have required: safety testing before deployment
- Would have required: ability to shut down models
- Would have required: third-party audits for largest models
View on map
California
Focus Areas
General regulation
Cite This
APA
California. (n.d.). California SB 1047 (Safe and Secure Innovation for Frontier AI).
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Last updated January 22, 2026. Verify against primary sources before relying on this information.