Colorado Attorney General Philip Weiser said he will not enforce the Colorado AI Act when it takes effect on June 30 after xAI sued the state in federal court to block the law. Weiser joined xAI and the U.S. Department of Justice in asking the court to pause the case while the statute is reevaluated, signaling that the state’s first-in-the-nation framework for regulating high-risk AI systems will not be implemented on schedule.
Enacted in 2024, the law covers AI used in areas including hiring, lending, housing, insurance, and government services, and has drawn opposition from technology companies that argue it would hinder innovation and impose heavy compliance costs. Civil rights advocates warned that delaying enforcement leaves residents exposed to harms from opaque algorithmic decision-making, while Governor Jared Polis has backed a delay and convened a working group that drafted substantial revisions for consideration during the 2026 legislative session, underscoring the wider fight over state versus federal AI regulation.

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After xAI's lawsuit, Colorado Attorney General Philip Weiser said he would not enforce the Colorado AI Act when it takes effect. He also joined xAI and the U.S. Department of Justice in asking the federal court to pause the case while the law is reevaluated during the 2026 legislative session.
In early April 2026, xAI filed suit against the state of Colorado seeking to block enforcement of the Colorado AI Act before its scheduled June 30 effective date.
Before April 2026, Governor Jared Polis supported delaying enforcement of the Colorado AI Act and created a working group to develop revisions. The group later produced a draft framework proposing substantial changes to the law.
Colorado legislators voted to postpone enforcement of the Colorado AI Act by five months, moving implementation to the end of June of the following year. The delay followed criticism from industry and other stakeholders who said the law was vague and could impose burdens on low-risk AI systems.
Governor Jared Polis called a special legislative session for Aug. 21, 2025, urging lawmakers to clarify the Colorado AI Act and delay its implementation. He said the law needed clearer definitions and lower compliance burdens, with discussion of pushing implementation to 2027.
Colorado enacted the Colorado AI Act in 2024, creating what the article describes as the first broad state law regulating high-risk AI systems in areas such as hiring, lending, housing, insurance, and government services.
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