The first two digits represent the chapter, the middle two digits represent the heading within the chapter, and last two digits represent the sub-heading within the heading. Though HS codes are important to a merchant when importing goods, they’re also relevant for the goods you ship to ...
ITC(HS)7610 ALUMINIUM STRUCTURES (EXCLUDING PREFABRICATED BUILDINGS OF HEADING 9406) AND PARTS OF STRUCTURES (FOR EXAMPLE, BRIDGES AND BRIDGE-SECTIONS, TOWERS, LATTICE MASTS, ROOFS, ROOFING FRAMEWORKS, DOORS AND WINDOWS AND THEIR FRAMES AND THRESHOLDS FOR DOORS, BALUSTRADES, PILLARS AND COLUMNS); ...
Likewise, a change of tariff heading (CTH) is more difficult to satisfy than a change of tariff subheading (CTSH). Note though, that this comparison holds in the same activity under the assumption that technology is the same across firms, but not across sectors even within a country. For ...