Basics
What an HS code is
The Harmonized System is an international nomenclature for traded goods. The first 6 digits are broadly aligned across participating economies. Product identity—not marketing names—drives classification.
Destination
HTS and national extensions
Destinations add digits beyond HS6 (for example US HTS). Duty rates, statistical suffixes, and special program eligibility often live in those extra digits. A supplier’s “HS code” may be incomplete for your destination tariff.
Risk
Why classification matters
- Duty and tax calculation
- Import controls and permits
- Inspection selection risk
- Preference claims (when paired with origin evidence)
Method
How to classify more safely
- Describe the product by material, function, and technical specs—not slogans
- Use official tariff tools for the destination market
- Align invoice descriptions with the chosen code logic
- Do not copy a supplier code blindly without review
- Escalate ambiguous goods to a licensed broker or customs advisor
Related: Shipping documents from China · DDP shipping from China · Customs clearance
FAQ
Frequently asked questions
What is an HS code?
A Harmonized System code used internationally to classify traded goods, typically at a 6-digit base level.
What is an HTS code?
A destination-specific extension of HS (for example US HTS) with additional digits for national tariff lines.
Who is responsible for correct classification?
Importers usually bear legal responsibility for correct classification at destination—even if a supplier suggests a code.
Can the wrong HS code delay cargo?
Yes—misclassification can trigger inspections, duty disputes, penalties, and holds.
Share product specs for a scoped freight plan (classification remains importer responsibility).
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