Tariff Classification is one of the main areas of Customs Law and is crucial when imposing customs duties. Specific rules on classification can be found in HS Convention to which almost all the WTO Members (except Taipei) are party. HS consists of over 5000 commodity groups with a six-digit code. HS consists of: (1) Chapter, Heading and Sub-heading Notes; and (2) General Rules for the Interpretation (GIR) of the Harmonized System. The first one which is Chapter, Heading and Subheading Notes is the main step to identify the product classification. The second part, GIR provide certain principles to classify goods: (i) incomplete or unfinished goods if they don’t have a proper line are classified as finished goods; (ii) when goods are prima facie classifiable under two or more headings, classification shall be effected as follows. (a) A heading that provides a more specific description is to preferred to the more general description; (b) mixtures, c...