List of Approved Spent Fuel Storage Casks: NAC Multi-Purpose Canister (NAC-MPC) System, Certificate of Compliance No. 1025, Amendment No. 9, and Revision to Amendment Nos. 6, 7, and 8

The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of May 13, 2025, for the direct final rule that was published in the Federal Register on February 27, 2025. This direct final rule amended the NAC International, Inc. Multi-Purpose Canister System listing within the "List of approved spent fuel storage casks" to include Amendment No. 9 and revisions to Amendment Nos. 6, 7, and 8 to Certificate of Compliance No. 1025.