Colorado — AI Law & Policy Updates Colorado enacted SB 24-205, the Colorado AI Act, as amended by SB 26-189, making it the most comprehensive US state AI law. The law, effective January 1, 2027, focuses on transparency and disclosure for consequential automated decisions, with the original algorithmic-discrimination duty of care repealed. Attorney General rulemaking is underway but no final rules have been published. SB 24-205 — Colorado AI Act amended 2026 by SB 26-189 — Status: Enacted The most comprehensive US state AI law. As amended by SB 26-189 2026 it takes effect January 1, 2027 and centers on transparency/disclosure for consequential automated decisions the original algorithmic-discrimination duty of care was repealed . Attorney General rulemaking is underway; no final rules have been published yet. Recent developments: