What happened
On September 16, 2026, California Governor Gavin Newsom signed SB 1050 (authored by Sen. Angelique Ashby), a new statute requiring explicit disclosure on any video or audio advertisement that uses AI-generated performers to sell a product or service. The law also prohibits continued use of any advertisement found to be in violation. It is part of a broader package of AI/child-safety bills Newsom has been signing through September, following SB 813/AB 1405 (AI auditor licensing) on Sept 9 and SB 1119/AB 1709/SB 867 (chatbot child-safety) on Sept 10.
Why it matters
This is a binding, enacted statute (not a proposal) that directly regulates commercial use of AI-generated content in advertising — a first-in-nation transparency mandate specifically targeting AI-generated ad performers. It creates direct compliance obligations and potential liability (advertisement must cease if found in violation) for any business advertising to California consumers using AI-generated talent, extending California's aggressive AI-transparency regulatory posture into the advertising/entertainment sector and protecting human performers from undisclosed AI displacement.
Action needed
Advertisers and platforms serving California consumers must build in explicit on-ad disclosure whenever a video/audio ad uses an AI-generated performer, and must have a process to pull ads found non-compliant. Legal/compliance and marketing teams should audit AI-generated ad content pipelines now; effective date is typically Jan 1 of the following year absent an urgency clause — confirm operative date and monitor for implementing guidance.