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California Technology and data

Social media platforms must show black box mental health warnings to users

Covered social media platforms must show a black box mental health warning when a user first opens them each day, and a 30-second warning that can't be skipped after three hours of use, then hourly. Users reasonably found to be over 17 are exempt.

Who it affects

Social media platforms and their users

When

This law took effect on January 1, 2026, but the changes described here start on January 1, 2027.

Official text

California AB 56: Social media: warning labels.
On California Legislative Information. The official text is what counts; read it before you act.

Not legal advice. Plain-English summaries to help you find what changes and when. Not legal advice: read the official text, and ask a lawyer about your situation.

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