Colorado Artificial Intelligence Act (SB 24-205)

The 2024 Colorado AI Act required developers and deployers of high-risk AI to use reasonable care to avoid algorithmic discrimination. Its effective date was delayed to 30 June 2026 and it was then repealed and replaced by SB 26-189, the Automated Decision-Making Technology Act, effective 1 January 2027.

JurisdictionColorado
CategoryAI Regulations
StatusSuperseded
Effective date
Latest development

Analysis

Key Requirements

The Colorado Artificial Intelligence Act (SB 24-205) imposes several key requirements on developers and deployers of high-risk AI systems:

  • Documentation Requirements: Developers must maintain detailed documentation on their AI systems, including data sources, training methods, and known limitations.

Compliance Challenges

Organizations face several challenges in complying with the Colorado AI Act:

  • Implementing Effective Risk Management: Developing and maintaining robust risk management programs that align with evolving AI standards presents ongoing challenges.

Implementation Best Practices

To effectively implement the Colorado AI Act requirements:

  • Establish a cross-functional team to oversee compliance, including legal, IT, and data science experts.

Recent Updates

As of February 2025, there have been no significant amendments to the Colorado AI Act. Key dates include:

The Colorado Attorney General's office is expected to release additional guidance and rules before the effective date.

Related Regulations

The Colorado AI Act intersects with several other regulations:

  • California Privacy Rights Act (CPRA): While focused on privacy, the CPRA includes provisions on automated decision-making that overlap with the Colorado AI Act's transparency requirements.
  • New York City AI Hiring Law: This law specifically regulates AI use in employment decisions, complementing the Colorado Act's provisions on consequential decisions.

Industry Impact

The Colorado AI Act is expected to have significant impacts across industries:

Sources

Recent developments

  • — Colorado Governor signs House Bill 26-1263, the **Chatbot Safety Act**, adding new requirements on conversational AI providers (age estimation, AI disclosure, teen protections, suicide/self-harm protocols) that interact with and complement SB 24-205, effective January 1, 2027[7]. (source)
  • — HB 1195, signed June 3, 2026, regulates AI use in psychotherapy and takes effect August 12, 2026, reflecting a shift from SB 24-205’s general framework toward more tailored oversight of AI in sensitive professional contexts.[6] (source)
  • — On June 2, 2026, Colorado passed HB 1139 regulating the use of AI in health insurance coverage decisions, signaling targeted sector‑specific regulation that complements and partially supplants the broad approach originally taken by SB 24-205.[6] (source)
  • — As part of a broader recalibration of AI regulation following SB 24-205’s replacement, Colorado enacted HB 1263 on chatbot safety on May 29, 2026, establishing future rules for AI chatbots that interact with consumers, with an effective date of January 1, 2027.[6] (source)
  • — Colorado enacts Senate Bill 26-189 (signed May 2026), repealing and reenacting SB 24-205’s core automated decision‑making provisions with updated requirements for developers and deployers of ADMT and setting a new effective date of January 1, 2027, reshaping compliance expectations for high‑risk AI users[7]. (source)
  • — Colorado Governor Jared Polis signed SB 26-189 on May 14, 2026, repealing and replacing the original Colorado AI Act (SB 24-205) with the narrower Colorado Automated Decision-Making Technology (ADMT) Act, which now takes effect on January 1, 2027.[8][6] (source)
  • — Industry commentators report that SB 24-205 is “essentially dead” following its replacement by SB 26-189, noting that the new ADMT Act significantly scales back the original risk‑management, impact assessment, and algorithmic discrimination obligations in favor of a more limited notice-and-transparency framework.[6][8] (source)
  • — The Colorado Attorney General’s office confirms that SB 26-189 repeals and reenacts the SB 24-205 provisions with new requirements for automated decision‑making technology in consequential decisions, and states that the new law’s consumer rights and protections will become effective January 1, 2027.[5] (source)
  • — Governor Polis signed SB 26-189, repealing the 2024 Colorado AI Act and replacing it with a narrower Automated Decision-Making Technology Act effective 1 January 2027. (source)
  • — Colorado legislature passes HB 26-1263, expanding the regulatory framework around AI by imposing safety and transparency obligations on chatbot operators, signaling a broader state push to regulate AI beyond the high‑risk systems covered by SB 24-205[7]. (source)
  • — A Colorado magistrate judge issues an order on April 27, 2026, temporarily barring the Attorney General from enforcing SB 24-205 until final AI rulemaking is adopted, raising uncertainty over the law’s rollout and prompting businesses to closely monitor regulatory developments[4]. (source)
  • — Legal analysis highlights that SB 24-205 “could be on the chopping block” following the magistrate’s non‑enforcement order and notes that lawmakers are considering SB 26‑189, a bill closely aligned with the Governor’s AI Policy Working Group proposal to revise the existing AI framework[4]. (source)

Read the full guide to Colorado Artificial Intelligence Act (SB 24-205)

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