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Chronicles

The story behind the story

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California's State Assembly passes the AI safety bill SB 1047, which now goes back to the Senate for a process vote before requiring Governor Newsom's signature

California lawmakers passed a hotly contested artificial-intelligence safety bill on Wednesday, after which it will need …

Reuters Anna Tong

Context & Ripple Effects

The Assembly vote followed amendments that reduced the attorney general's ability to sue AI companies, underscoring that the bill's central dispute was not only whether to regulate AI safety, but how enforceable those rules should be.

It is an early step in a California policy arc that later produced SB 53's safety-testing disclosure regime, while a separate measure targeted safety protocols for AI chatbot companions.

First-order effects

  • SB 1047 advances to a final procedural step in the Senate, putting the next decision with Governor Newsom if that vote is completed.
  • AI companies, their critics, and state legislators must now focus on the bill's final form and the governor's approval or veto rather than Assembly passage.

Second-order effects

  • The earlier enforcement concessions give developers and opponents a concrete benchmark for future lobbying: compliance rules may be more politically durable when liability and state enforcement powers are narrowed.
  • The bill's progress raises the stakes for companies operating in California to engage with state-level safety policy, even as the immediate outcome remains contingent on the remaining legislative and executive steps.

Third-order effects

  • California's subsequent AI safety-testing disclosure law suggests a durable shift toward disclosure-based oversight as a more attainable governance model than sweeping enforcement mandates.
  • If this legislative pattern continues, AI safety policy may become more segmented by risk and product category, as illustrated by the later chatbot-companion safety proposal, rather than governed by a single all-purpose framework.

The trend: California is emerging as a venue for iterative AI governance, with politically contested broad proposals giving way to more targeted safety and transparency requirements.

Discussion

  • Vox Kelsey Piper on x
    We spoke with the architect behind the notorious AI safety bill
  • @scott_wiener Senator Scott Wiener on x
    SB 1047 — our AI safety bill — just passed off the Assembly floor. I'm proud of the diverse coalition behind this bill — a coalition that deeply believes in both innovation & safety. AI has so much promise to make the world a better place. It's exciting. Thank you, colleagues.
  • @annatonger Anna Tong on x
    California's AI safety bill, SB-1047 has passed the state Assembly. It now goes back to the state Senate for a process vote (which almost always pass) before moving onto @CAgovernor's desk to either sign it into law or veto it.
  • @lessig @lessig on x
    SB 1047 has passed the Assembly floor vote with support from both sides of the aisle. We need this regulation to give whistleblowers the protections they need to speak out on critical threats to public safety. Governor @GavinNewsom, you should sign SB 1047 into law.
  • @zavalaa Ashley Zavala on x
    JUST IN: California Assembly advances SB1047 to place new safety rules around artificial intelligence development. Squeaks out of the Assembly with minimum of votes needed, many Democrats abstained. Heads back to the Senate for final vote. [image]
  • @danhendrycks Dan Hendrycks on x
    In a landmark moment for AI safety, SB 1047 has passed the Assembly floor with a wide margin of support. We need commonsense safeguards to mitigate against critical AI risk—and SB 1047 is a workable path forward. @GavinNewsom should sign it into law.
  • @jeremybwhite Jeremy B. White on x
    NEW: California Assembly passes AI safety bill #SB1047 by the minimum 41 votes, returning it to Senate for final approval before it heads to @GavinNewsom — a big vote for @Scott_Wiener who has faced intense industry/House Dem opposition
  • @gregbensinger @gregbensinger on x
    Well this should be interesting. The controversial SB 1047 regulating AI in California has passed the Assembly and heads to Newsom's desk — will he sign it? https://www.reuters.com/...