Pennsylvania Joins AI Ad Disclosure Bandwagon

Pennsylvania has joined a small group of states to pass a law requiring disclosures when an ad contains certain synthetic content. The law, the Artificial Intelligence Deceptive Advertising Act, was signed by the governor on October 22, 2026. It takes effect December 21, 2026. It joins both New York and California laws, with similar requirements. The law may apply to ads reaching Pennsylvania consumers, regardless of where the advertiser is located.

The Pennsylvania law will require that an advertiser disclose AI use when synthetic content in an advertisement creates a false consumer perception about the nature, origin or authenticity of the advertised goods or services. The disclosure obligation applies to advertisers that create or disseminate the advertisement or cause it to be created or disseminated. “Synthetic content” includes images, video, audio and text generated or significantly modified using artificial intelligence (AI). The rule excludes text-only content, parody,