American Society of Mechanical Engineers 2015-2017 Code Editions Incorporation by Reference

The U.S. Nuclear Regulatory Commission (NRC) is amending its regulations to incorporate by reference the 2015 and 2017 Editions of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code and the 2015 and 2017 Editions of the American Society of Mechanical Engineers Operation and Maintenance of Nuclear Power Plants, Division 1: OM Code: Section IST, for nuclear power plants. The NRC is also incorporating by reference two revised American Society of Mechanical Engineers code cases. This action is in accordance with the NRC's policy to periodically update the regulations to incorporate by reference new editions of the American Society of Mechanical Engineers Codes and is intended to maintain the safety of nuclear power plants and to make NRC activities more effective and efficient.