California AI auditor registry (AB 1405)

Summary

The Governor signed Assembly Bill 1405, authored by Assemblymember Rebecca Bauer-Kahan, which creates a state registry for AI auditors and establishes standards for their independence, transparency, and integrity. It was signed together with Senate Bill 813, which sets up a framework for independent verification organizations that assess AI systems and models for compliance with state law. Together they form a framework for independent third-party evaluation and audits of AI.

Who it applies to

Applies to auditors and organizations that assess AI systems and models in California, with a state registry for AI auditors. Also relates to AI developers whose systems and models are evaluated by independent third parties.

Key points

• Creates a state registry for AI auditors.
• Establishes standards for auditor independence, transparency, and integrity.
• Complements Senate Bill 813, which establishes a framework for independent verification organizations assessing AI systems and models for compliance with state law.
• Signed by Governor Gavin Newsom; the source gives no effective date.

Key dates

Signed / adopted

Sep 9, 2026