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Colorado / AI disclosure

SB 24-205

Colorado Artificial Intelligence Act: Consumer Protections for Artificial Intelligence

In effectSince June 30, 2026Next: Jan. 1, 2027

Note. Enforcement paused: in X.AI LLC v. Weiser, a federal court order of Apr 27, 2026 records the Colorado Attorney General's agreement not to enforce this law, or 2026 laws that replace or amend it, until after the court rules on a preliminary-injunction motion.

Chatbot Laws · verified Oct. 21, 2026

Only the consumer-interaction disclosure is in scope: a business that deploys or sells an AI system intended to interact with consumers must make sure each consumer is told they are interacting with AI, unless that is obvious to a reasonable person. The duty applies from June 30, 2026 until part 17 is replaced on Jan 1, 2027.

Who must comply

Deployers and other developers that deploy, offer, sell, lease, license, give or otherwise make available an AI system intended to interact with consumers.

What it requires

AI disclosureMust ensure the disclosure to each consumer who interacts with the AI system that the consumer is interacting with an AI system. No disclosure is required where it would be obvious to a reasonable person.When: Each consumer, on interactingC.R.S. § 6-1-1704(1)-(2)

Enforcement

Enforced byAttorney General (exclusive authority)C.R.S. § 6-1-1706 (as enacted 2024)
Private lawsuitsNo
PenaltiesA violation of part 17 is an unfair or deceptive trade practice under C.R.S. § 6-1-105(1)(hhhh), so Colorado Consumer Protection Act remedies apply. Affirmative defense for violations discovered and cured through feedback, red-teaming or internal review while following a recognized AI risk framework.

Key dates

  1. AI interaction disclosure duty begins
  2. SB 26-189 replaces this part; the disclosure duty ends

Related laws

  • Colorado HB 26-1263Conversational AI service operators
    In effect since Aug. 12, 2026; more from Jan. 1, 2027

Note

This disclosure duty applies only until December 31, 2026. Colorado SB 26-189 replaces this part of the law on January 1, 2027, without the disclosure duty.

Sources

  1. Chapter 198, Session Laws of Colorado 2024 (SB 24-205) Supports: § 6-1-1704 text, § 6-1-1706 enforcement, approval May 17, 2024.
  2. Chapter 3, Session Laws of Colorado 2025 Extraordinary Session (SB 25B-004) Supports: § 6-1-1704(1) start date changed from Feb 1, 2026 to June 30, 2026; approved Aug 28, 2025.
  3. Chapter 131, Session Laws of Colorado 2026 (SB 26-189) Supports: Part 17 repealed and reenacted Jan 1, 2027; reenacted § 6-1-1704 covers only notices about automated decision-making in consequential decisions.
  4. X.AI LLC v. Weiser, D. Colo. 1:26-cv-01515 (docket, Justia) Supports: Apr 27, 2026 order pausing enforcement; United States intervention.
  5. Colorado Attorney General: artificial intelligence rulemaking Supports: SB 26-189 effective Jan 1, 2027; proposed rules and hearing date.

Questions

When does Colorado SB 24-205 take effect?

June 30, 2026: AI interaction disclosure duty begins. January 1, 2027: SB 26-189 replaces this part; the disclosure duty ends. It is in effect as of November 4, 2026.

Who does Colorado SB 24-205 apply to?

Deployers and other developers that deploy, offer, sell, lease, license, give or otherwise make available an AI system intended to interact with consumers.

Who enforces Colorado SB 24-205?

Attorney General (exclusive authority). Penalties: A violation of part 17 is an unfair or deceptive trade practice under C.R.S. § 6-1-105(1)(hhhh), so Colorado Consumer Protection Act remedies apply. Affirmative defense for violations discovered and cured through feedback, red-teaming or internal review while following a recognized AI risk framework.

Can people sue under Colorado SB 24-205?

No. It does not create a private right to sue; enforcement is by Attorney General (exclusive authority).