The tolerances specified in this standard apply to container guide rails or container fasteners fixed to the ship hull when loading 1A, 1AA, 1C, and 1CC type containers in the GB 1413-85 "External Dimensions and Rated Weight of Containers" standard on ships, and It meets my country's Sea-Going Steel Ship Rules (revised notification in 1986), Lloyd's Register's "Guidance Rules for Securing Devices for Cargo Containers" (81), and West Germany's Lloyd's Register "Rules for the Loading and Securing of Secondary Containers on Ships" (83 year) regulations.