California Governor Orders AI Safety Review and Proposes Industry 'Kill Switch'
Governor Gavin Newsom has ordered a sweeping review of artificial intelligence oversight, including the possible requirement of a 'kill switch,' as California takes a lead in regulating AI technology.
By Ethan Cole · First published 18 Sept 2026
In brief
- Governor Newsom has formally signed an executive order to review AI safety and study the feasibility of a mandatory 'kill switch.'
- The order delays the implementation of new AI laws until after the expert panel submits its recommendations.
- California is the first US state to formally consider requiring emergency shutdown mechanisms for powerful AI models.
- A dedicated task force is investigating AI risks, including job losses and cybersecurity threats, and is consulting with industry experts.
- California has also enacted new laws to regulate AI data center energy use and water consumption.
Timeline · 7 moments
Governor Newsom issues executive order on AI oversight
Technology ↗Newsom calls for AI safety panel to study regulations
Bloomberg Technology ↗Order includes proposal for an AI 'kill switch' mechanism
New York Post ↗Working group given two months to deliver recommendations
The Next Web ↗Experts question feasibility of universal AI shutdown
The New York Times ↗Governor Newsom signs AI safety review executive order
Gizmodo Tech ↗California passes new data center oversight laws
The Verge - All Posts Tech ↗Update 22 Sept 2026, 7:26 pm UTC
Governor Newsom has now officially signed the executive order mandating AI safety review and exploring a 'kill switch' for advanced AI. The order also delays implementing new AI laws until after the expert panel delivers its recommendations. California has additionally passed new laws regulating AI data center energy and water use.
Update 19 Sept 2026, 0:51 pm UTC
Governor Newsom has accelerated California's AI oversight efforts, with the state now actively pushing for emergency 'kill switch' requirements for advanced AI systems. Experts and lawmakers are questioning the feasibility of implementing such a mechanism, as there is no consensus on how a universal shutdown would work.
Update 18 Sept 2026, 9:21 pm UTC
Governor Newsom has now signed the executive order, making California the first US state to officially consider a mandatory 'kill switch' for advanced AI. The move comes after public outcry and amid criticism of federal inaction, with the state panel's review process now underway.
How it started
Concerns about the unchecked development of artificial intelligence have been growing rapidly, especially in California, which is home to many leading AI companies. In recent months, lawmakers and experts have warned that existing regulations may not be enough to address emerging risks from advanced AI models. Governor Gavin Newsom has publicly voiced worries about the pace of AI advancement and the lack of clear safety mechanisms. These concerns set the stage for California to take a more proactive approach to AI oversight.
How it unfolded
On September 18, 2026, Governor Newsom signed an executive order focused on AI regulation. He announced the order at a press event, emphasizing the urgency of acting before AI technologies become unmanageable or dangerous, as reported by Technology.
The executive order directs the establishment of a working group tasked with evaluating current AI safety laws and recommending new measures. Among the most notable proposals is a requirement for a 'kill switch', an emergency shutdown mechanism for advanced AI systems, according to Bloomberg Technology.
The order also requires the panel to study how other jurisdictions are approaching AI safety and to consult with both industry experts and public stakeholders. The group must deliver its initial recommendations within two months, The Next Web reported. Newsom's move comes as California legislators and other Democratic leaders call for more aggressive action on AI oversight, amid concerns that federal efforts have lagged behind the pace of technological change.
The announcement drew significant attention from national and international media, highlighting the state's outsized role in shaping technology policy. Newsom criticized federal inaction and framed California as a leader in responsible AI development, according to DIE ZEIT.
Where it stands
The executive order is now in effect. The newly formed working group is beginning its review of California's existing AI laws and consulting with stakeholders. No formal regulations have been enacted yet, but the process for drafting new rules or requirements is underway. The panel's recommendations, especially regarding a potential 'kill switch,' are expected to influence both state and national debates on AI safety.
What to watch
The main development to watch is the working group's report, due within two months. How the panel defines a 'kill switch,' and whether it proposes enforceable requirements, will be closely scrutinized by industry, lawmakers, and the public. The outcome could set a precedent for AI regulation in other states and possibly at the federal level.


