HS Code (Harmonized System Code)

The 6-digit international product classification code maintained by the World Customs Organization. Used by 200+ countries as the base of their national tariff schedules.

An HS code (Harmonized System code) is the 6-digit international classification number assigned to every product crossing a border. It is administered by the World Customs Organization and used by more than 200 customs authorities to determine duty rates, import restrictions, and trade statistics.

The structure is hierarchical: the first 2 digits identify the chapter (e.g. 85 = electrical machinery), digits 3-4 the heading (e.g. 8517 = telephones), and digits 5-6 the subheading (e.g. 8517.12 = mobile phones). National extensions go further — 8-digit CN in the EU, 10-digit HTS in the US, 10-digit commodity codes in the UK.

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