Digital Policy Alert logo

United States of America: California AI Transparency Act including authorisation requirements enters into force with grace period

Policy overview

Description

California AI Transparency Act including authorisation requirements enters into force with grace period

On 2 August 2026, the California AI Transparency Act (AB 853) enters into force with grace period. The Act applies to AI providers with over 1 million monthly users, large online platforms with over 2 million monthly users, and capture device manufa…

Scope

Policy Area
Authorisation, registration and licensing
Policy Instrument
Authorisation of goods or services
Regulated Economic Activity
online advertising provider, platform intermediary: user-generated content, ML and AI development, search service provider, platform intermediary: other
Implementation Level
subnational
Government Branch
legislature
Government Body
parliament

Complete timeline of this policy change

Hide details
2025-02-19
under deliberation

On 19 February 2025, the California Artificial Intelligence (AI) Transparency Act was introduced to…

2025-06-02
under deliberation

On 2 June 2025, The Act applies to AI providers with over 1 million monthly users, large online pla…

2025-09-12
adopted

On 12 September 2025, the California Artificial Intelligence (AI) Transparency Act was adopted by t…

2025-10-13
adopted

On 13 October 2025, the California Artificial Intelligence (AI) Transparency Act was signed by the …

2026-08-02
in grace period

On 2 August 2026, the California AI Transparency Act (AB 853) enters into force with grace period. …

2027-01-01
in force

On 1 January 2027, the California Artificial Intelligence (AI) Transparency Act for large online p…