California Safe and Secure Innovation for Frontier Artificial Intelligence Models Act (SB 1047)

Properties

jurisdiction: US, California
level: state
domain: safety
status: vetoed
scope: Would have imposed pre-deployment safety testing, kill-switch requirements, and developer liability for harms caused by AI models trained at a cost exceeding $100 million or using substantial computational power.
appliesTo: developers of covered AI models (training cost exceeding $100 million)
officialUrl: https://leginfo.legislature.ca.gov/faces/billStatusClient.xhtml?bill_id=202320240SB1047
notes: Vetoed by Governor Newsom on September 29, 2024. The successor, SB 53 (TFAIA), was signed in 2025 with a narrower scope. Widely cited in the regulatory debate; included here because practitioners frequently ask about it.

jurisdiction: US, California
level: state
domain: safety
status: vetoed
scope: Would have imposed pre-deployment safety testing, kill-switch requirements, and developer liability for harms caused by AI models trained at a cost exceeding $100 million or using substantial computational power.
appliesTo: developers of covered AI models (training cost exceeding $100 million)
officialUrl: https://leginfo.legislature.ca.gov/faces/billStatusClient.xhtml?bill_id=202320240SB1047
notes: Vetoed by Governor Newsom on September 29, 2024. The successor, SB 53 (TFAIA), was signed in 2025 with a narrower scope. Widely cited in the regulatory debate; included here because practitioners frequently ask about it.