Statute

California Business and Professions Code Chapter 25.1 · Transparency in Frontier Artificial Intelligence Act

California Legislative Information2026-01-01EnglishOpen original

Chaptered California statute requiring large frontier developers to publish frontier AI frameworks and related transparency reports.

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California requires large frontier developers to publish a frontier AI framework

Business and Professions Code section 22757.12(a) requires covered developers to write, implement, comply with and publish a frontier AI framework.

A large frontier developer shall write, implement, comply with, and clearly and conspicuously publish on its internet website a frontier AI framework that applies to the large frontier developer’s frontier models and describes how the large frontier developer approaches all of the following:

California Legislative Information · Cal. Bus. & Prof. Code § 22757.12(a)

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California’s frontier AI transparency chapter took effect on 1 January 2026

The chaptered statute records an effective date of 1 January 2026.

(Added by Stats. 2025, Ch. 138, Sec. 2. (SB 53) Effective January 1, 2026.)

California Legislative Information · Cal. Bus. & Prof. Code § 22757.10 historical note

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regulation · In force

California SB 53 · Transparency in Frontier Artificial Intelligence Act

Chaptered California statute requiring large frontier developers to publish frontier AI frameworks, transparency reports and critical-incident pathways.

Intelligence records

California · State statute in force

California requires large frontier developers to publish safety frameworks

SB 53, chaptered in September 2025, took effect on 1 January 2026 as Business and Professions Code Chapter 25.1. Covered large frontier developers must publish a frontier AI framework and related transparency reports.