Bus. & Prof. Code, § 22757.3.1 · Chapter 25. AI Transparency Act
Bus. & Prof. Code, § 22757.3.1
Text — As published in the Legislative Counsel's database, tables dated October 18, 2026 (pubinfo_2025.zip)
(a) A large online platform shall do all of the following:
(1) Detect whether any provenance data that is compliant with widely adopted specifications adopted by an established standards-setting body is embedded into or attached to content distributed on the large online platform.
(2) (A) Provide a user interface to disclose the availability of system provenance data that reliably indicates that the content was generated or substantially altered by a GenAI system or captured by a capture device.
(B) The user interface required by this paragraph shall make clearly and conspicuously available to users information sufficient to identify the content’s authenticity, origin, or history of modification, including, but not limited to, all of the following:
(i) Whether provenance data is available.
(ii) The name of the GenAI system or capture device that created or substantially altered the content, if applicable.
(iii) Whether any digital signatures are available.
(3) Allow a user to inspect all available system provenance data that is compliant with widely adopted specifications adopted by an established standards-setting body in an easily accessible manner by any of the following means:
(A) Directly through the large online platform’s user interface pursuant to paragraph (2).
(B) Allow the user to download a version of the content with its attached system provenance data.
(C) Provide a link to the content’s system provenance data displayed on an internet website or in another application provided either by the large online platform or a third party.
(b) A large online platform shall not, to the extent technically feasible, knowingly strip any system provenance data or digital signature that is compliant with widely adopted specifications adopted by an established standards-setting body from content uploaded or distributed on the large online platform.
(c) This section shall become operative on January 1, 2027.
Notes and commentary — not statutory text
History
Added by Stats. 2025, Ch. 674, Sec. 2. (AB 853) Effective January 1, 2026. Operative January 1, 2027, by its own provisions.
Source of truth
- Edition
- As published in the Legislative Counsel's database, tables dated October 18, 2026 (pubinfo_2025.zip)
- Official file
- https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=BPC§ionNum=22757.3.1.
- Text hash
- sha256 93c8112e848b2c6d81184988b468bcf18ba4467456d7669d49d7c4ca10c243ea
- Composed by
- compose_ca.py 2026-10-22: the Legislative Counsel's CAML content files read by a tokenizer (caml_readers.reader_a); an independent xml.etree reading (caml_readers.reader_b) agrees on every section
Procedural information only. Not legal advice and not a substitute for the advice of an attorney. Confirm the current text with the official publisher before relying on it.