The Nuclear Regulatory Commission (NRC) is amending its regulations revising the NAC International, Inc., Multipurpose Canister cask system listing within the "List of Approved Spent Fuel Storage Casks" to include Amendment No. 3 to Certificate of Compliance (CoC) Number 1025. This amendment incorporates changes in support of the Yankee Nuclear Power Station (Yankee Rowe) fuel loading campaign and makes corrections to the Connecticut Yankee technical specifications. Specifically, the amendment incorporates fuel enrichment tolerances; incorporates fuel assemblies with up to 20 damaged fuel rods, recaged assemblies, the Yankee Rowe damaged fuel can, and assembly weights up to 432 kilograms (kg) [950 pounds (lb)]; revises the average surface dose rate limits for the concrete cask; incorporates administrative changes in the American Society of Mechanical Engineers (ASME) Code Alternatives; corrects the Connecticut Yankee tables for fuel assembly limits and intact fuel assembly characteristics; and incorporates editorial and administrative changes in the CoC.