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Glossary · Customs & duties
What is HTS (Harmonized Tariff Schedule code)?
The 10-digit US classification number for an imported product, which sets its duty rate and statistics and shows whether special duties may apply.
The Harmonized Tariff Schedule of the United States (HTSUS) is maintained by the US International Trade Commission. The first six digits follow the international Harmonized System used by most countries; the US adds digits 7 and 8 for the duty rate and 9 and 10 for statistics. Classification follows legal rules, the General Rules of Interpretation, based mainly on what the product is and what it is made of.
The HTS code sets the normal duty rate and decides whether additional duties apply, such as Section 301, Section 232 or an antidumping order. It also signals which other agencies' rules may apply. A wrong code can mean underpaid duties, penalties or a held shipment.
A Chinese supplier's export code is not a reliable guide to the US code beyond the first six digits. For a binding answer, a licensed customs broker can help you request a ruling from CBP.
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