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NRC RIN: 3150-AK42 Publication ID: Spring 2025 
Title: 2023 Edition of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code [NRC-2020-0029] 
Abstract:

This rulemaking would amend the NRC's regulations to authorize the use of recent editions of American Society of Mechanical Engineers (ASME) codes. The rule would incorporate by reference the 2023 Edition of the ASME Boiler and Pressure Vessel Code into the NRC's regulations, with conditions. This action increases consistency across the industry and makes use of current voluntary consensus standards (as required by the National Technology Transfer and Advancement Act), while continuing to provide adequate protection to the public. This rulemaking would affect nuclear power reactor licenses.

 
Agency: Nuclear Regulatory Commission(NRC)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
EO 14192 Designation: Other 
CFR Citation: 10 CFR 50   
Legal Authority: 42 U.S.C. 2201    42 U.S.C. 5841   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  01/00/2026 
Final Rule  01/00/2027 
Additional Information: The rule was renamed from "2023 Edition of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code." Item 3 of SRM-21-0029 (formerly Docket ID NRC-2021-0023) are combined with this ASME rulemaking. Docket ID NRC-2021-0023 is closed.
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Related RINs: Merged with 3150-AK61 
Agency Contact:
Aaron Kwok
Nuclear Regulatory Commission
Office of Nuclear Material Safety and Safeguards,
Washington, DC 20555-0001
Phone:301 415-1371
Email: aaron.kwok@nrc.gov