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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 2021 ASME Boiler Pressure Vessel Code and the 2022 Edition of the ASME Operations and Maintenance of Nuclear Power Plants 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 licensees.