In one paragraph
Colorado's SB 25B-004, passed in the August 2025 special session, replaced every February 1, 2026 start date in the Colorado AI Act (SB 24-205, C.R.S. 6-1-1702 to 6-1-1704) with June 30, 2026. That moved developers' and deployers' reasonable-care, documentation, risk-program, impact-assessment, notice and reporting duties and the AI-interaction disclosure. It adds no new duties. Signed August 28, 2025 (Chapter 3, 2025 First Extraordinary Session); effective November 25, 2025. SB 26-189 repeals and reenacts Part 17 effective January 1, 2027.
Plain-English summary, written with AI assistance. The official text controls.
What it means for business
No duties of its own. It moved the Colorado AI Act's developer and deployer duties from February 1 to June 30, 2026; SB 26-189 replaces that act with new rules from January 1, 2027.
Key provisions
- Developer duties in § 6-1-1702 (reasonable care, documentation for deployers, public website statement, 90-day reports of discrimination risks, Attorney General document requests): start date moved from February 1, 2026 to June 30, 2026
- Deployer duties in § 6-1-1703 (reasonable care, risk management program, impact assessments, consumer notices and adverse-decision rights, website statement, 90-day notice to the Attorney General, AG document requests): start date moved to June 30, 2026
- The first annual review of each deployed high-risk system for algorithmic discrimination is due on or before June 30, 2026 instead of February 1, 2026 (§ 6-1-1703(3)(g))
- AI-interaction disclosure to consumers applies on and after June 30, 2026 (§ 6-1-1704(1))
- Otherwise only wording changes (for example, Attorney General rules are "adopted" rather than "promulgated"); no new duties, definitions, exemptions or penalties
- SB 26-189 (signed May 14, 2026) leaves the June 30, 2026 date in place but repeals and reenacts Part 17 effective January 1, 2027; under an April 27, 2026 stipulated order in X. AI LLC v. Weiser (D. Colo.), the Attorney General may not start enforcement of SB 24-205, or of 2026-session legislation replacing or amending it, over violations through 14 days after the court rules on xAI's planned preliminary-injunction motion
- Signed August 28, 2025 (Chapter 3, Session Laws 2025, First Extraordinary Session); effective November 25, 2025
Latest legislative action
Aug 28, 2025. Governor Signed
Topics and industries
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Affected industries
This page is general information, not legal advice. Summaries are AI-assisted and may contain errors; read the statute for the controlling text and talk to a lawyer about your situation. Full disclaimer · Report an error