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ARTICLE · 10 OCTOBER 2025

California's AI Transparency Act (CAITA) May Be Amended To Regulate Social Media Platforms

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Last year, the California General Assembly passed the California AI Transparency Act (CAITA), which Governor Gavin Newsom signed into law on September 19, 2024, and goes into effect on January 1, 2026.

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What You Need to Know

Key takeaway #1

Governor Newsom has until October 12 to sign AB 853 into law.

Key takeaway #2

If the governor signs AB 853, then the amended CAITA goes into effect in August 2026. If he does not sign AB 853, then the current version of CAITA goes into effect on January 1, 2026.

Key takeaway #3

AB 853 includes additional obligations on "large online platforms" and manufacturers of "capture devices".

Last year, the California General Assembly passed the California AI Transparency Act (CAITA), which Governor Gavin Newsom signed into law on September 19, 2024, and goes into effect on January 1, 2026. This may change because this year, the same General Assembly passed AB 853, an amendment to CAITA with potentially far-reaching implications.

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