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Who is covered
Anyone producing a generative AI system the public can use in California, whatever its size. The exemptions are narrow.
Who is covered → § 22757.3(a)The latent disclosure
The hidden label image, video and audio output must carry, field by field.
The five fields → § 22757.2, § 22757.3(b)Verification tool and licensees
The free tool anyone can use to check your content, and the 72-hour licensee clock.
Tool and licensees → AB 853, AB 2713Platforms, hosts and capture devices
Duties for large online platforms and GenAI hosting platforms from 2027, and capture device makers from 2028.
AB 853 duties → ComparisonSB 942 vs EU AI Act
The California and EU marking rules row by row: who, what, labels, detection, dates and penalties.
Side by side → TimelineDates and penalties
Every operative date from 2024 to 2029, and the $5,000 per day civil penalty.
Dates and penalties →