State Health AI Law Tracker/California
California AB 2013 · Other · Effective
Generative AI training data transparency
Effective January 1, 2026
What the law does
California AB 2013 requires developers of generative AI systems offered to the public to post information about the data used to train the system, including sources, dataset size, data types, and whether personal information is included. Existing systems had a January 1, 2026 posting deadline. Hospital medical staff members are carved out of the developer definition for certain uses.
- State
- California
- Bill number
- AB 2013
- Topic
- Other
- Status
- Effective
- Date enacted
- September 28, 2024
- Date effective
- January 1, 2026
- Applies to
- Vendors
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