Colorado repeals its AI Act before it starts, replaces it with lighter ADMT law
Colorado enacted SB 26-189, repealing the 2024 Colorado AI Act, whose start date had already slipped from February to June 2026, before it took effect. The replacement drops the risk-management programme and impact-assessment duties and instead requires developers to document automated decision-making technology for deployers, and deployers to notify people and explain adverse decisions in employment, education, lending, housing, insurance and health care from 1 January 2027.
Why it matters
The first US comprehensive AI-discrimination law was gutted before taking effect, moving US hiring-AI regulation toward notice-and-explanation rather than audits.
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Connections our researchers recorded
- DevelopmentEU pushes AI Act duties for hiring and workplace AI back to December 20278 Jul 2026 · Rule change · EUContrasts with: Both jurisdictions retreated from or delayed risk-based duties on hiring AI in 2026
- DevelopmentCalifornia bans AI-only firing and requires notice of AI-driven mass layoffs30 Sep 2026 · Rule change · US-CAContrasts with: Colorado scaled back while California added worker protections
What led here
Earlier developments on the same thread
- DevelopmentWashington law says only a licensed clinician can deny prior-authorisation requests23 Mar 2026 · Rule change · US-WA, US
- DevelopmentAnthropic 'observed exposure' study finds no jobless rise but fewer young hires5 Mar 2026 · Research · US
- DevelopmentAttorney General sets up DOJ AI Litigation Task Force to challenge state AI laws9 Jan 2026 · Programme · US, US-CO
- DevelopmentTrump executive order targets state AI laws with litigation and funding pressure11 Dec 2025 · Policy · US
What happened next
Later developments on the same thread
- DevelopmentStanford ADP data: young-worker jobs in AI-exposed roles now 19% below peers12 Aug 2026 · Research · US
Same story elsewhere
What other countries and bodies did on this
- DevelopmentCalifornia finalises civil-rights rules for AI in hiring, effective 1 Oct 202527 Jun 2025 · Rule change · US-CA
- DevelopmentNY Comptroller finds New York City barely enforces its AI hiring law2 Dec 2025 · Enforcement or ruling · US-NY
- DevelopmentRBI drafts model risk rules covering AI/ML for all regulated lenders24 Jun 2026 · Rule change · IN
- DevelopmentNY Fed survey: AI adoption jumps but only 4% of service firms cut jobs over it1 Sep 2026 · Research · US-NY
Rules in play
Laws and guidance this touches
- RuleNYC Local Law 144US-NY · In force · 5 Jul 2023
- RuleHB 3773US-IL · In force · 1 Jan 2026
- RuleColorado AI Act (SB 24-205)US-CO · Superseded · 17 May 2024
- RuleSB 26-189 (Colorado ADMT law)US-CO · Enacted, not yet in force · 14 May 2026
- RuleColorado DOI Reg. 10-1-1US-CO · In force · 20 Aug 2025
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