{"slug":"us-california-sb-53-catastrophic-risk-assessment-summaries","id":"AIPT-OBL-0082","permanent_url":"https://aipolicytracker.org/id/AIPT-OBL-0082","title":"Large frontier developers must send periodic summaries of catastrophic-risk assessments to the state","short_title":"Catastrophic-risk assessment summaries","category":"safety_testing","summary":"A large frontier developer must transmit to the California Office of Emergency Services, on the periodic schedule the statute sets, a summary of any assessment of catastrophic risk that results from the internal use of its frontier models. This covers risks arising before public deployment, such as during internal evaluation or use of the model to accelerate research, and complements the public transparency report.\n","practical_action":"Schedule a recurring internal-use risk assessment and a state submission with a fixed owner in the safety team.\n","is_binding":true,"applies_from":"2026-01-01","section":null,"source_reference":"Business and Professions Code Section 22757.12 (as added by SB 53)","official_source_url":"https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260SB53","review_status":"verified","confidence_level":"medium","last_verified_at":"2026-09-26","reviewed_by":"Bhaskar Bhatt","actors":["gpai_provider"],"sectors":["cross_sector"],"use_cases":["generative_ai"],"applicability":[{"description":"Large frontier developers above the statutory compute and revenue thresholds.","actors":["gpai_provider"],"conditions":null}],"evidence_examples":[{"title":"Internal-use catastrophic risk assessment summary sent to the Office of Emergency Services","description":null,"artifact_type":"report"}],"framework_mappings":[{"framework":"nist_ai_rmf","framework_name":"NIST AI RMF 1.0","reference":"MEASURE 2.6, MANAGE 1.2, GOVERN 4.3","note":"Safety evaluation, prioritisation and information sharing with authorities.","confidence_level":"medium","is_original":true},{"framework":"iso_42001","framework_name":"ISO/IEC 42001:2023","reference":"Clause 9.1; Annex A.8.3","note":"Monitoring and external reporting.","confidence_level":"low","is_original":true}],"controls":[{"slug":"frontier-model-safety-framework","title":"Frontier model safety and security framework","kind":"policy","relationship":"satisfies","note":"Framework defines the catastrophic-risk assessment whose summaries are submitted.","confidence_level":"medium","url":"https://aipolicytracker.org/controls/frontier-model-safety-framework"},{"slug":"genai-red-team-testing","title":"Adversarial and red-team testing for generative AI","kind":"technical","relationship":"supports","note":"Dangerous-capability evaluations feed the assessment.","confidence_level":"medium","url":"https://aipolicytracker.org/controls/genai-red-team-testing"}],"url":"https://aipolicytracker.org/obligations/us-california-sb-53-catastrophic-risk-assessment-summaries","policy":{"slug":"us-california-sb-53","title":"California SB 53: Transparency in Frontier Artificial Intelligence Act","status":"in_force","jurisdiction":"us-california","url":"https://aipolicytracker.org/policies/us-california-sb-53"}}