Connecticut Artificial Intelligence Responsibility and Transparency Act (Public Act 26-15)
The broadest US state AI statute after Colorado's: eight distinct regimes in one act, covering layoff disclosure, AI subscriptions, companions, content provenance, automated employment decisions, frontier-developer whistleblowing and state procurement. Duties phase in from 1 October 2026.
Key dates
- May 1, 2026Passed the General Assembly (Senate 32-4, House 131-17)
- May 27, 2026Signed by Governor Lamont as Public Act 26-15
- Oct 1, 2026Layoff disclosure, provenance data, employment-decision and frontier duties apply
- Jan 1, 2027AI companion duties apply
Risk areas addressed
Who it applies to
Developers and deployers of covered AI doing business in Connecticut, with separate regimes for employment decision-making, AI companions, frontier models, generative-AI content provenance and platforms used by minors.
Penalties & enforcement
Enforced by the Attorney General, mostly as an unfair or deceptive trade practice under CUTPA; the frontier-developer whistleblower provisions carry up to $1,000 per violation.
Enforced by: Connecticut Attorney General
Connecticut CART Act is enforced by Connecticut Attorney General. The next dated milestone falls on Jan 1, 2027, 77 days away: AI companion duties apply. In practice that means knowing which of your AI systems fall in scope across every sector you operate in, holding assessments that speak to bias & discrimination, transparency and synthetic media & deepfakes, and being able to produce that evidence on request.