1 . COMMON CUSTOMS TARIFF - INTERPRETATION - CLASSIFICATION OF GOODS - CRITERIA - OBJECTIVE CHARACTERISTICS 2 . COMMON CUSTOMS TARIFF - INTERPRETATION - CLASSIFICATION OF GOODS - CLASSIFICATION ON THE BASIS OF COMPOSITION - CLASSIFICATION BY ANALOGY NOT APPLICABLE ( COMMON CUSTOMS TARIFF , RULE NO 4 OF GENERAL RULES FOR THE INTERPRETATION OF THE NOMENCLATURE ) 3 . COMMON CUSTOMS TARIFF - TARIFF CLASSIFICATION - COMPOUND PRODUCT - MELTED DOWN SCRAP ( COMMON CUSTOMS TARIFF , CHAPTER 73 , NOTE 1 ( C ))