3150-AL06 202510 The Regulatory Plan and the Unified Agenda of Federal Regulatory and Deregulatory Actions 3150 Nuclear Regulatory Commission NRC Incorporation by Reference of Institute of Electrical and Electronics Engineers Standard-603-2018 [NRC-2024-0045]

This rulemaking would update the NRC’s regulations at 10 CFR 50.55a(h) to incorporate by reference the 2018 version of the Institute of Electronics and Electrical Engineers (IEEE) standard 603, Criteria for Safety Systems for Nuclear Power Generating Stations replacing the 1991 version. Industry would gain regulatory confidence to use the latest version of IEEE-603 in the development of safety-systems for nuclear power generating stations and modifications related to the standard. The rulemaking would affect the existing operating reactor fleet (10 CFR Part 50) and applicants for new reactor designs ((10 CFR Part 50 or Part 52).

]]> Substantive, Nonsignificant Previously Published in The Unified Agenda Proposed Rule Stage Undetermined No Deregulatory 10 CFR Part 50 42 U.S.C. 2201 42 U.S.C.5841 No NPRM 12/19/2025 90 FR 59402 NPRM Comment Period End 02/17/2026 Final Rule 10/00/2026 No No None No No https://www.nrc.gov/about-nrc/governing-laws/advance-act No No Denise Edwards 3150 Nuclear Regulatory Commission NRC 301 415-7204 denise.edwards@nrc.gov Office of Nuclear Material Safety and Safeguards, Washington DC 20555-0001