NJ A4013

Social media platforms must display black box warnings to users upon login, logout, and after 3 hours of use (then hourly), with warnings occupying 25-75% of the screen and lasting 10-90 seconds depending on usage duration.

Platforms must monitor users for "problematic behaviors" including more than 3 hours of daily use, accessing the platform within 10 minutes of waking, or making 10+ posts per day, and notify users when detected.

All warnings must include text stating the Surgeon General has warned social media is associated with significant mental health harms and has not been proven safe for young users.

Advertisements for social media platforms must be factual, not misleading, and include disclaimers about potential negative mental health impacts based on Department of Health findings.

Violations carry civil penalties up to $250,000 per violation, with the law taking effect six months after enactment.