Colorado SB 205 Overview
The first comprehensive state AI law in the US — scope, effective date (June 30, 2026), who it applies to, and the key obligations for developers and deployers.
Colorado's SB 205 — the Colorado Artificial Intelligence Act — was signed into law in May 2024 and takes effect June 30, 2026. It's the first comprehensive AI law enacted at the state level in the United States, and it focuses specifically on algorithmic discrimination by high-risk AI systems.
Core Focus: Algorithmic Discrimination
Unlike the EU AI Act's broad scope, Colorado SB 205 has a single primary concern: ensuring that high-risk AI systems do not produce discriminatory outcomes based on protected characteristics. The law defines 'algorithmic discrimination' and creates duties for both AI developers and deployers to prevent it.
Who Is Covered
The law applies to two categories of actors:
Developers: Companies that design, develop, or substantially modify high-risk AI systems used by Colorado consumers, or that sell or lease such systems to deployers.
Deployers: Companies that deploy high-risk AI systems in consequential decisions affecting Colorado consumers — regardless of where the deployer is located.
High-risk AI systems are those that make or substantially influence consequential decisions in: employment, credit, education, healthcare, housing, insurance, or legal services.
Effective Date and Enforcement
SB 205 takes effect June 30, 2026. The Colorado Attorney General has exclusive enforcement authority — there is no private right of action for consumers. The AG's office has been actively developing compliance guidance, with initial guidance released in early 2025.
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