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Proposed rule

Regulatory Framework for Fusion Machines

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Feb. 26, 2026. Document 2026-03865. Updated Nov. 14, 2026.

What it does

The U.S. Nuclear Regulatory Commission (NRC) is proposing to amend its regulations to augment the existing byproduct material framework to be inclusive of fusion machines. The NRC is proposing requirements that are technology-inclusive to accommodate the wide variety of anticipated fusion machine designs across the National Materials Program. The NRC is also issuing for comment draft guidance for the implementation of this proposed rule, entitled NUREG-1556, Volume 22, "Consolidated Guidance About Materials Licenses: Program- Specific Guidance About Fusion Machine Licenses." The NRC will conduct at least one public meeting to promote full understanding of the proposed rule and to facilitate public comments. We seek comment on all aspects of this proposed rule.

The Nuclear Regulatory Commission's summary, as published in the Federal Register.

What it would change

10 parts of Title 10 of the Code of Federal Regulations:

10 CFR 20, 10 CFR 30, 10 CFR 37, 10 CFR 50, 10 CFR 51, 10 CFR 72, 10 CFR 110, 10 CFR 150, 10 CFR 170, 10 CFR 171

Before this

No earlier Federal Register document under regulation identifier 3150-AL00 since Jan. 1, 2025.

What happens next and when

Submit comments by May 27, 2026. Comments received after this date will be considered if it is practical to do so, but the Commission is able to ensure consideration of only comments received before this date.

The agency's dates, word for word.

Document number2026-03865
ActionProposed rule; guidance; and request for comment.
AgenciesNuclear Regulatory Commission
PublishedFeb. 26, 2026
Comments closeMay 27, 2026
Regulation identifier (RIN)3150-AL00
DocketNRC-2023-0071

Source: the Federal Register (public domain). The document in the Federal Register