Generative Artificial Intelligence Training Data Transparency (AB 2013)
AB 2013
Artificial intelligence
Requires developers of generative AI systems available to Californians to post documentation on their websites summarizing the datasets used to train the system, including whether the data contain personal information or copyrighted material, where it came from, and how it was processed.
- Where
- California
- Citation
- Cal. Civ. Code 3110-3111
- Status
- In force
- In force since
- 2025-01-01
- Last amended
- 2026-01-01
- Enforced by
- Not specified in the title (general state enforcement)
- People can sue
- No
- Penalties
- No penalty specified in the title.
- Applies to
- Developers of generative AI systems or services released or substantially modified on or after January 1, 2022 and made publicly available to Californians
- Exempts systems solely for security and integrity, aircraft operation, or federal national-security use (3111(b))
What a privacy notice must say
- By January 1, 2026 and before each new release or substantial modification, post a high-level summary of training datasets: sources, purpose, size, data types, IP status, whether purchased or licensed, collection period, and cleaning.Cal. Civ. Code 3111(a) · From 2026-01-01
- Disclose whether training datasets include personal information or aggregate consumer information as defined in the CCPA.Cal. Civ. Code 3111(a)(7)-(8) · From 2026-01-01
- Disclose whether synthetic data generation was used in development.Cal. Civ. Code 3111(a)(12) · From 2026-01-01
Sources
Checked against these sources on 2026-09-25 by research agent (Claude), primary sources.
Unverified: Reported federal constitutional challenges to AB 2013 (e.g., by xAI) were not checked.
Research reference, not legal advice.