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AI assessment rules and implementation
Signed September 9, 2026 as Chapter 179. GovOps must develop independent-verifier designation criteria by January 1, 2028; the law does not make an audit a general condition of operating AI.
SB813 creates California's framework for designating independent verification organizations to assess AI systems. It was signed on September 9, 2026 as Chapter 179. The general effective date is January 1, 2027, and GovOps must develop designation criteria by January 1, 2028. This changes the record from an enrolled proposal into an enacted law with implementation still ahead.
The framework makes expertise, independence and financial conflicts part of qualification. An assessed company can pay market rates, but an assessor's fee cannot depend on its finding. Working groups must include engineers from competing AI companies and AI-safety experts. These requirements identify the people and financial relationships that deserve scrutiny as the rules are written.
SB813 expressly preserves the ability to operate without buying this verification service. Its companion, AB1405, governs entry into the covered audit-provider market from January 2029. Together they make the assessment industry more formally governed. The next revealing records are GovOps membership, criteria and actual designation decisions.
Assessment updated 2026-09-13
SB813 earlier MRO role —2025 → California SB813 — enacted September 2026
2026-09-01 – 2026-09-01
Final audit may be relevant but not conclusive; neither affirmative defense nor rebuttable presumption survives. No causal attribution for each deletion.
Fathom (AI-governance nonprofit) → California SB813 — enacted September 2026
First announcement26March2025; subsequent sponsor status in packet
Official author/committee identify sponsorship. Does not establish exclusive drafting/approval. Meridian arm is attributed, legal identity unresolved.
California SB813 — enacted September 2026 → SB813 assessed developer/deployer/operator
Event or period: 2026-09-09; checked 13 September 2026
Section8898.4 does not require engagement of an IVO or a covered audit as a condition of developing, deploying or operating an AI system.
California SB813 — enacted September 2026 → California Government Operations Agency
Event or period: 2026-09-09; checked 13 September 2026
SB813 assigns GovOps the development of qualification, suspension and termination criteria. Rules are due on or before January1,2028.
OpenAI → California SB813 — enacted September 2026
Event or period: 2026-09-09; checked 13 September 2026
OpenAI endorsed SB813 as a route to qualified independent assessment.
Business Software Alliance → California SB813 — enacted September 2026
2026-08-30 – 2026-08-30
Floor pp6-7 report predicted indirect pressure alongside competence/alignment concerns; not evidence of actual refusal or legal compulsion.
Fathom and California SB 813: verification authority and its limits ↗
Fathom (AI-governance nonprofit) → sponsors legislative proposal → California SB813 — enacted September 2026
First announcement26March2025; subsequent sponsor status in packet
Official author/committee identify sponsorship. Does not establish exclusive drafting/approval. Meridian arm is attributed, legal identity unresolved.
SB813 earlier MRO role —2025 → earlier certification framework superseded in enrolled text → California SB813 — enacted September 2026
2026-09-01 – 2026-09-01
Final audit may be relevant but not conclusive; neither affirmative defense nor rebuttable presumption survives. No causal attribution for each deletion.
California SB813 — enacted September 2026 → Enacts verifier-designation duties → California Government Operations Agency
Event or period: 2026-09-09; checked 13 September 2026
SB813 assigns GovOps the development of qualification, suspension and termination criteria. Rules are due on or before January1,2028.
California SB813 — enacted September 2026 → Preserves ability to operate without this audit route → SB813 assessed developer/deployer/operator
Event or period: 2026-09-09; checked 13 September 2026
Section8898.4 does not require engagement of an IVO or a covered audit as a condition of developing, deploying or operating an AI system.
Business Software Alliance → objects that voluntary audits could become litigation expectations → California SB813 — enacted September 2026
2026-08-30 – 2026-08-30
Reported by the cited source
Floor pp6-7 report predicted indirect pressure alongside competence/alignment concerns; not evidence of actual refusal or legal compulsion.
OpenAI → Publicly endorses auditor legislation → California SB813 — enacted September 2026
Event or period: 2026-09-09; checked 13 September 2026
OpenAI endorsed SB813 as a route to qualified independent assessment.