WCO Harmonized System
Category: Classify & Cost the Product
IntergovernmentalReferenceFree
Visit resource ↗What it is useful for
Global HS framework context for teams learning chapters, headings, and classification logic.
Helpful terms: HS CodeThe international product classification code used as the starting point for tariff, control, and statistical treatment in customs declarations., Commodity CodeA country-specific import or export classification code that extends the HS framework into the digits required for local declarations and duty measures., Customs DutyAn import charge calculated from the goods classification, customs value, origin, and any applicable tariff or trade-measure rules.
Guidance
Best used for: Training sourcing, finance, and operations teams before they compare supplier codes.
Watch out for: The HS framework is not a national declaration database; country-specific codes and measures still govern filings.