Skip to content
Welcome, thoughtbot's Giant Robots listeners!Start here
Data Centres: Boom and Backlash
22OCT

Colorado guts its AI hiring law

4 min read
16:40UTC

Colorado replaced the most advanced US state AI employment statute with a notice-only shell after a federal court stayed it and the DOJ joined Elon Musk's xAI in challenging it as unconstitutional.

IndustryDeveloping
Key takeaway

The federal executive is now litigating against state AI worker protection, not merely declining to legislate.

Colorado's governor signed SB 26-189 in mid-May 2026, replacing the state's AI Act (SB 24-205) with a notice-only framework that takes effect in January 2027.⁠1 The replacement drops the risk-management programmes, annual impact assessments and algorithmic-discrimination duties that had made SB 24-205 the most advanced AI employment-discrimination statute in the United States. What survives is a duty to give pre-use notice and run an adverse-action process, the minimum a worker can be told before an AI tool decides their job.

The retreat followed a federal court. A magistrate judge stayed SB 24-205 on 27 April, with the US Department of Justice (DOJ) joining Elon Musk's xAI, his frontier-model company, in arguing the law was unconstitutional.⁠2 A state passed AI worker protection; the federal executive and a model-maker sued to stop it; the legislature replaced it with a shell. Other states weighing similar bills now have a worked example of how one is dismantled.

Brussels moved the same direction in the same fortnight. The EU Digital Omnibus provisional deal weakened the employer AI-literacy duty from an obligation to ensure workers understand AI systems to one to take measures supporting that understanding. The supporters of intervention lost a law in Denver and a worker-facing clause in Brussels at once, a retreat on both sides of the Atlantic while the displacement count kept rising.

A fair counter holds that SB 24-205 was constitutionally fragile and over-broad, which is the ground it fell on, not the merits of protecting workers. Yet Washington's most viable federal vehicle, the Warner-Rounds commission bill, only studies the problem. The one US instrument with enforcement teeth has now been struck down, leaving a study bill as the realistic ceiling.

Deep Analysis

In plain English

Colorado passed a law called SB 24-205, the Colorado AI Act, which required companies using AI in hiring and employment decisions to run risk assessments, check for algorithmic discrimination, and publish regular impact reports. It was the most demanding AI employment law in the United States. Before it took effect, a federal judge paused it. The US Department of Justice (DOJ, the federal government's main legal body) joined a lawsuit brought by xAI (Elon Musk's AI company) arguing the law was unconstitutional. Under that pressure, Colorado's governor scrapped the original law and replaced it with a much weaker version called SB 26-189, which only requires companies to tell workers when AI is being used in a decision that affects them, and give them a way to appeal. SB 26-189 removed the risk assessments, discrimination checks, and impact reports entirely. At the same time, in Europe, negotiators finalising the EU Digital Omnibus (a package of laws updating the EU's AI rules) weakened a similar obligation. Employers originally had to ensure their workers understood AI systems. The new text says employers should take measures to support that understanding, which has no enforcement mechanism. The Warner-Rounds bill is a US Senate proposal to create a commission to study AI's effect on jobs. It has no powers beyond making recommendations. That is now the strongest US federal response available.

Deep Analysis
Root Causes

The Colorado law's constitutional vulnerability traces to a specific structural gap: the US has no federal statute regulating AI in employment decisions. In the absence of that statute, the field is legally unoccupied at the federal level.

When a state fills an empty field with obligations that affect interstate commerce (every large AI hiring tool operates across state lines), the dormant Commerce Clause is a live preemption argument. Colorado's architects knew this and built the law anyway, betting on a favourable court. They lost.

The DOJ's decision to join xAI's challenge, rather than remain neutral, converts this from a private industry challenge into a statement of federal executive policy: the executive branch does not want state-level AI employment protection. That changes the calculus for every state legislature now considering similar laws. The Warner-Rounds bill exists precisely because the executive has signalled it will oppose state action, but Congress has not yet provided an alternative.

What could happen next?
  • Precedent

    The DOJ constitutional doctrine used against Colorado can be cited by any firm challenging any state AI employment law that imposes compliance costs on interstate AI systems.

    Short term · Assessed
  • Risk

    Other states weighing AI employment law now have a worked example of full legal dismantlement: constitutional challenge, federal executive support for the challenger, legislative retreat to a notice-only shell.

    Short term · Assessed
  • Consequence

    Anthropic, xAI and OpenAI collectively face lower compliance overhead in 35 US states that had been considering Colorado-style laws; the constitutional precedent forestalls them without requiring new legislation.

    Medium term · Assessed
First Reported In

Update #10 · Rival studies split on AI's hit to jobs

AI Laws By State· 24 May 2026
Read original →
Different Perspectives
Mohsen Rezaei
Mohsen Rezaei
The senior Iranian security official and former IRGC commander told Press TV that US-linked technology infrastructure in the region could become a target if war resumes. He named the UAE and valued the assets at more than US$2 trillion, without a breakdown.
Mykhailo Shelemba
Mykhailo Shelemba
Datagroup's chief executive says the Kyiv data centre hit on the night of 18 to 19 October is beyond repair. Services continue from backup sites, and no staff were hurt.
Kristen Umstattd
Kristen Umstattd
The Loudoun supervisor voted against fast-tracking Amazon's rezoning of the Ashburn campus. She said there were no figures yet on homes, school or road costs.
Akishima residents' litigation group
Akishima residents' litigation group
The group formed on 18 October and plans to sue Nihon GLP by year-end to stop eight data-centre buildings. Its lawyers will argue rights to life, health, clean water and a natural environment after mediation failed in August.
Óscar López
Óscar López
Spain's Digital Transformation minister said on 22 October he could not confirm when the data-centre decree will be approved. He added that Google has always committed to investing in Spain.
Google
Google
Google said it would comply with LVV's order to stop preparatory works at Muhos and Kajaani until environmental assessments finish. A spokesperson conceded the company had fallen short.

Written with AI from Lowdown's published reporting. Not individually reviewed by an editor. Editorial standards.