Data / Federal rules / 2026-03993
Approval of the 2023 Edition of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code and Code Cases, Revision 41
The Nuclear Regulatory Commission published this proposed rule in the Federal Register on February 27, 2026. Comments closed on April 28, 2026.
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What the agency says
The U.S. Nuclear Regulatory Commission (NRC) is proposing to amend its regulations to incorporate by reference the 2023 Edition of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code. This action is in accordance with the NRC's policy to periodically update the regulations to incorporate by reference new editions of the ASME Codes and is intended to maintain the safety of nuclear power plants and to make NRC activities more effective and efficient. The NRC also is proposing to amend its regulations to incorporate by reference proposed revisions of three regulatory guides, which would approve new, revised, and reaffirmed code cases published by the ASME. This proposed action would allow nuclear power plant licensees and applicants to use the code cases listed in these draft regulatory guides as voluntary alternatives to engineering standards for the construction, inservice inspection, and inservice testing of nuclear power plant components. This proposed rule also incorporates minor editorial corrections. The NRC is requesting comments on this proposed rule, on the draft versions of three regulatory guides, and the draft version of an additional regulatory guide which will not be incorporated by reference.
Key facts
- Document number
- 2026-03993
- Type
- Proposed rule
- Action
- Proposed rule
- Agency
- Nuclear Regulatory Commission
- Published
- February 27, 2026
- Comments due
- April 28, 2026
- Dates
- Submit comments by April 28, 2026. Comments received after this date will be considered if it is practical to do so, but the NRC is able to ensure consideration only for comments received before this date.
- Docket
- NRC-2020-0029
- Regulation ID (RIN)
- 3150-AK42
- Code of Federal Regulations
- 10 CFR 50
- Topics
- Administrative practice and procedure; Antitrust; Classified information; Education; Fire prevention; Incorporation by reference; Intergovernmental relations; Nuclear power plants and reactors; Penalties; Radiation protection; Reporting and recordkeeping requirements; Whistleblowing
- Pages
- 28
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Everything from the Nuclear Regulatory Commission · Rules on administrative practice and procedure · Rules on antitrust · Rules on classified information · Published in February 2026
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.