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NRC RIN: 3150-AL51 Publication ID: 2026 
Title: ●Modernizing Requirements Relating to Physical Protection of Category 1 and Category 2 Quantities of Radioactive Material [NRC-2025-1238] 
Abstract:

Consistent with Executive Order 14300, Ordering the Reform of the Nuclear Regulatory Commission, the NRC is conducting a review and wholesale revision of its regulations. This initiative aims to modernize the NRC's regulations on the physical protection of Category 1 and Category 2 quantities of radioactive material to enhance efficiency.

 
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 37   
Legal Authority: 42 U.S.C. 2201    42 U.S.C. 5841   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  04/09/2026  91 FR 17893   
NPRM Comment Period End  04/11/2026 
Final Rule  10/00/2026 
Regulatory Flexibility Analysis Required: Undetermined  Government Levels Affected: Undetermined 
Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL: https://www.nrc.gov/about-nrc/governing-laws/advance-act  
RIN Data Printed in the FR: No 
Related RINs: Merged with 3150-AK82 
Agency Contact:
Andrew G. Carrera
Nuclear Regulatory Commission
Office of Nuclear Material Safety and Safeguards,
Washington, DC 20555-0001
Phone:301 415-1078
Email: andrew.carrera@nrc.gov