Connecticut AI Responsibility and Transparency Act Takes Effect in Phases

Connecticut Gov. Ned Lamont signed Substitute Senate Bill 5, the CART Act, on May 27, 2026, covering five areas: automated employment decision tools, AI companions and chatbots, frontier model developers, generative AI content provenance, and social media platforms used by minors, with obligations phasing in from Oct. 1, 2026 through Jan. 1, 2028.

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