AITAI TribunePolicy intelligence
Search everything⌘ K
legislator

Sen. Scott Wiener

CaliforniaUnited States

California senator and author of SB 53, the Transparency in Frontier Artificial Intelligence Act.

Policy questions

Recorded interests
Frontier safety

Should frontier models face mandatory evaluations?

Evaluation language is widespread in policy texts. Thresholds, evaluators and legal consequences remain contested.

Policy asks

Connected outcomes
in-force

Require large frontier developers to publish catastrophic-risk safety frameworks

Require covered large frontier developers to write, implement, comply with and publish a frontier AI framework covering catastrophic-risk assessment, mitigations and related disclosures.

Policy vehicles

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.

Event history

Recorded actions
  1. 2025-09-29
    California SB 53 chaptered into law

    SB 53 was approved by the Governor and chaptered as Chapter 138, Statutes of 2025.

Evidence

Passages linked to this actor
Direct sourceOpen evidence record

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)