Generative AI: Training Data Transparency Act (AB 2013)
California · Cal. Civ. Code §§ 3110–3111 (AB 2013, Stats. 2024)
Developers of generative AI systems made available to Californians must publicly post documentation about the datasets used to train their models, including sources, whether they contain personal information or copyrighted material, and time periods of collection. Applies to systems released or substantially modified since January 1, 2022.
Technical detail
Adds Cal. Civ. Code §§ 3110–3111, requiring GenAI developers to post high-level training-dataset documentation (12 enumerated categories) before making a system publicly available in California, effective Jan. 1, 2026.
Who is protected: California public, creators, and data subjects
Who must comply: Developers of generative AI systems made available to Californians (including substantial modifiers)
Key facts
| Jurisdiction | California |
|---|---|
| Level | State |
| Status | In effect |
| Protection strength | Limited protection |
| Effective date | 2026-01-01 |
| Enacted | 2024-09-28 |
| Citation | Cal. Civ. Code §§ 3110–3111 (AB 2013, Stats. 2024) |
| Enforced by | Not specified in statute (no express enforcement mechanism) |
| Topics | AI disclosure and transparency · copyright and training data · consumer data privacy · consumer protection |
| Last verified | 2026-08-10 |
| Official source | California Legislative Information: AB 2013 (2023–2024) ↗ |
More AI rules in California
- CA EO N-6-26 (AI Workforce) · In effect
- California AB 489 (AI healthcare chatbot misrepresentation ban) · In effect
- X.AI v. Bonta (AB 2013 training-data disclosure) · Blocked / in litigation
- CA SB 1298 (2012 AV authorization) · In effect
- CA AB 856 (2015 drone trespass) · In effect
- California Bot Disclosure Act (bots must self-identify in sales/election messaging) · In effect
Related AI disclosure and transparency rules elsewhere
- Trump AI Innovation & Security EO (June 2026) · In effect
- CO ADMT Act (SB 26-189, 2026) · Enacted (not yet in effect)
- Utah SB 319 (health insurer AI) · Enacted (not yet in effect)
- FERC order directing PJM and other grid operators to reform · Enacted (not yet in effect)
- Morris County resolution urging state oversight of data cent · Enacted (not yet in effect)
- SU-47 Special-Use Data Center Zoning District Ordinance · Proposed / pending
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