CA Governor Newsom Signs California AB 566 California Opt Me Out Act mandating universal browser opt-out preference signals

CA Governor Newsom Signs the California Opt Me Out Act: Mandating Universal Browser Opt-Outs

Ecommerce Innovation Alliance

November 5, 2025

California Governor Gavin Newsom signed the California Opt Me Out Act (AB 566)  into law on October 8, 2025. As we previously reported, the Opt Me Out Act is a first-in-the-nation law requiring web browsers to include a built-in opt-out preference signal that lets consumers automatically tell websites not to sell or share their personal data.…

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