CA, US · AI law tracker
AB 566 — CA, US
AB 566 is an AI governance news analysis from CA, currently enacted. The California Opt Me Out Act (AB 566) requires browsers operating in California to provide built-in opt-out preference signals [1]. AIGI tracks 1 primary-source update on this bill; the most recent was published on 2025-10-08.
Status & timeline
- Regulatory stage
- enacted
- Bill status
- enacted
- Effective date
- 2027-01-01
- Authority / governing body
- CalPrivacy
- Document type
- news analysis
Next deadline: January 2027
Intelligence briefs (1)
news_analysis enacted 10/8/2025
California Enacts Opt Me Out Act, Mandating Browser-Level Privacy Signals
The California Opt Me Out Act (AB 566) requires browsers operating in California to provide built-in opt-out preference signals [1].
This development expands consumer privacy control and signals evolving expectations for proactive, user-centric data governance in AI-driven services.
Deadline: January 2027
Primary source →Frequently asked questions
- What is AB 566?
- California Governor Newsom signed the California Opt Me Out Act (AB 566, Lowenthal) [1], requiring browsers operating in California to offer easy-to-use opt-out preference signals (OOPS) [1]. This legislation ensures Californians can effectively exercise existing privacy rights by automatically communicating preferences to websites to prevent the sale or sharing of personal information [1]. The law is slated to take effect in January 2027 [2]. Primary source →
- Why does AB 566 matter?
- This development expands consumer privacy control and signals evolving expectations for proactive, user-centric data governance in AI-driven services. Primary source →
- Who does AB 566 affect?
- Companies whose services are accessible in California are affected, particularly browser developers and operators of websites that collect and process personal information from California residents. This includes organizations relying on the sale or sharing of data, such as browsing history, location data, purchase history, and personal interests, for targeted advertising or AI model training. The law's scope extends to any entity interacting with user-enabled OOPS via a browser operating in California. Primary source →
- What are the key dates for AB 566?
- January 2027 Primary source →
- What is the current status of AB 566?
- As of the last published update, AB 566 is at the "enacted" stage, with bill status "enacted". Primary source →
- Where can I find the primary source for AB 566?
- The primary source for the most recent update is at https://cppa.ca.gov/announcements/2025/20251008_2.html. AIGI publishes the full citation chain plus every approved brief on this bill. Primary source →
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