The Nuclear Regulatory Commission (NRC) is amending its regulations revising the Pacific Sierra Nuclear Associates (PSNA) VSC- 24 cask system listing within the ``List of Approved Spent Fuel Storage Casks'' to include Amendment No. 1 to the Certificate of Compliance. Amendment No. 1 will modify the present cask system design to permit a licensee to store burnable poison rod assemblies in the VSC-24 cask system design along with the spent fuel under a general license.