Explanatory notes
… metal (heading 71.12 or 85.49); or (g) Copper, nickel or cobalt mattes produced by any process of smelting … base metals referred to in Section XV (viz., iron, copper, nickel, aluminium, lead, zinc, tin, tungsten (wolfram), …Legal note
… metal (heading 71.12 or 85.49); or (g) Copper, nickel or cobalt mattes produced by any process of smelting …