California AB 2013
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California AB 2013[1]
California[1]
Legislation[1]
AB 2013; 2023–2024 Regular Session; Civil Code Title 15.2, commencing with Section 3110[1]
Enacted September 28, 2024. In force / operative as specified[1]
See compliance timeline[1]
Not recorded as a single article-wide date; see the dated source notes.
Overview
California AB 2013 is a California artificial intelligence statute enacted in 2024 that requires developers of generative AI systems or services made available to Californians to publish specified documentation about training data.[1]
Background
California enacted a group of artificial intelligence laws in 2024 addressing generative AI transparency, digital replicas, election deepfakes, health care AI communications, privacy, and statutory AI definitions. California AB 2013 is part of that broader state-law package and addresses generative AI training data transparency.
Legislative history
- Bill: AB 2013
- Session: 2023–2024 Regular Session
- Chapter: Chapter 817, Statutes of 2024
- Signed: September 28, 2024
- Codification: Civil Code Title 15.2, commencing with Section 3110
- Official source: California Legislature bill page
Scope
Covered Entities
- Developers of covered generative AI systems or services made available to Californians.
Covered Systems or Content
- Generative artificial intelligence systems or services, and substantial modifications to such systems or services, as defined by the statute.
Exemptions
- The statute contains definitional and timing limits, including coverage for systems released on or after January 1, 2022, under specified conditions.
Requirements
- Training-data documentation: Developers must post specified information about datasets used to train covered generative AI systems or services.
- Public posting: Required documentation must be made available on the developer’s internet website.
- Covered releases: The law applies to covered systems or substantial modifications made available to Californians under the statutory timing rules.
Enforcement
Enforcement depends on the statutory provisions codified in Civil Code Title 15.2 and any later implementing or interpretive authority. The page should be expanded if California issues enforcement guidance.
Timeline
- Signed: September 28, 2024
- Chaptered: Chapter 817, Statutes of 2024
- Key compliance date: January 1, 2026 for specified developer posting obligations.
Relationship to Other Law
AB 2013 complements SB 942 by addressing training-data transparency rather than provenance or detection tools.
Litigation and Challenges
No major litigation or constitutional challenge has been identified as of May 9, 2026.
Practical Impact
AB 2013 is one of the first state laws requiring public training-data disclosures for generative AI systems, making it significant for model developers and enterprise AI vendors.
Criticism and Support
Public commentary generally framed the statute as part of California’s effort to regulate concrete AI harms while preserving innovation. Specific stakeholder positions should be tied to bill analyses, committee materials, or sourced public statements when expanded.
Current Status
As of May 9, 2026, the statute has been enacted. Operative obligations should be checked against the codified effective dates and any subsequent amendments, guidance, or litigation.
Related articles
- United States State Legislation
- California AI Transparency Act
- Generative AI Transparency
- Deepfakes
- AI laws by topic