Customs exemption amendment alters tariff entry to Nil and substitutes a listed commodity name, changing import classification. Amendment to a Customs exemption notification substitutes specified entries: the entry in Column (4) at serial No. 76 of the Table is replaced with Nil, and in List 2 item (234) the words 'Decapatyl Depot' are substituted with Triptorelin, altering the identification and exemption treatment of the listed tariff item.