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NRC RIN: 3150-AL26 Publication ID: Spring 2025 
Title: ●Revising the Duration of Design Certifications [NRC-2025-2018] 
Abstract:

This rulemaking would amend the NRC’s regulations that govern the duration of the design certifications in 10 CFR part 52 to replace the current 15-year duration for design certifications with a 40-year duration period. The 40-year duration would apply to design certifications currently in effect as well as future design certification applications, including renewals.

 
Agency: Nuclear Regulatory Commission(NRC)  Priority: Other Significant 
RIN Status: First time published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
EO 14192 Designation: Deregulatory 
CFR Citation: 10 CFR 52   
Legal Authority: 42 U.S.C. 2201    42 U.S.C. 5841   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  07/02/2025  90 FR 28911   
NPRM Comment Period End  08/01/2025 
Direct Final Rule  07/02/2025  90 FR 28869   
Direct Final Rule Confirmation of Effective Date  09/00/2025 
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 
Agency Contact:
Daniel Doyle
Nuclear Regulatory Commission
Office of Nuclear Material Safety and Safeguards,
Washington, DC 20555-0001
Phone:301 415-3748
Email: daniel.doyle@nrc.gov