Pennsylvania Governor Josh Shapiro signed Senate Bill 806, the Artificial Intelligence Deceptive Advertising Act, on October 22. It is Act 99 of 2026, and it takes effect 60 days later, on December 21. The Verge reported the signing, and Pennsylvania is among the first states to put a disclosure duty on AI advertising.

The law is narrower than a blanket 'label every AI ad' rule. It bars an advertiser from knowingly, recklessly or willfully using synthetic content — images, video or audio significantly modified or generated by AI — in a way that creates a false consumer perception about the nature, origin or authenticity of what is being sold, unless the ad carries a clear and conspicuous disclosure. Text-only content is expressly exempt, as are evidently fictional material and parody, satire, commentary or criticism.

When a disclosure is required, it must say the ad contains content modified or generated using AI, appear when the synthetic content is first presented, in the same medium, and — where technically feasible — be permanent or extraordinarily difficult to remove. There is no private right of action: the attorney general and district attorneys can seek injunctions or civil penalties of up to $3,000, plus legal fees. National advertisers are unlikely to geofence the rule, so a spot made in California and aired in Philadelphia carries the same obligation.