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Calif. Legislature Passes Universal Opt-Out Preference Signals Bill

The California legislature agreed on a bill Thursday to require web browser support for universal opt-out preference signals (OOPS). The Assembly voted 44-2 to concur with Senate changes to AB-566, closely watched legislation that was endorsed by the California Privacy Protection Agency.

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Recent amendments narrowed the measure to web browsers and delayed the effective date until Jan. 1, 2027. In addition, it gave web browser companies that put global OOPS functionality into their browsers immunity from liability in California for violations by businesses receiving the signals.

The Senate voted 30-7 for the bill Wednesday (see 2509100070). It next needs a signature from Gov. Gavin Newsom (D). Last year, Newsom vetoed similar legislation that had also covered mobile operating systems, but this year, the measure’s scope was narrowed to browsers.