The customs tariff code (CN/HS): how to find it and why it matters so much

Knowledge base

The customs tariff code (CN/HS): how to find it and why it matters so much

The tariff code decides the duty rate, VAT, requirements and restrictions on import and export. We explain the difference between HS, CN and the 10-digit tariff, and how to establish the right code.

The customs tariff code is the number that classifies goods and determines the duty rate, VAT, required documents and any restrictions. The basis is the 6-digit HS code (the Harmonized System, global), extended to 8 digits in the EU Combined Nomenclature (CN) and to 10 digits in the EU tariff (TARIC) or the UK tariff. Correct classification is the foundation of correct clearance.

The Polish-language version of this article is the reference one. This is an informational translation.

HS: the 6-digit international code (World Customs Organization). CN: the 8-digit EU Combined Nomenclature. TARIC / UK tariff: the 10-digit level with specific measures (duty, restrictions).

Why it matters so much

The wrong code means the wrong duty and VAT rate, the risk of extra charges, corrections and the goods being held, and sometimes missing a required licence. A good, specific code goes hand in hand with a specific goods description — generic terms are also rejected in the security data (see ENS stop words). The code is entered in the declaration, today in the United Kingdom in the CDS system.

How to establish the right code

Classification is based on the type, material and function of the goods, using the official tariff lookup tools. In case of doubt you can apply for binding tariff information. Our customs agencies help select the code and check it against requirements, within customs clearance. We do not guess — where there is uncertainty we confirm the classification at the source.

Sources

Not sure of your goods code? Describe the goods in the contact form and we will help with the classification and clearance.

Frequently asked questions

How does the HS code differ from CN and the 10-digit tariff?
HS is the 6-digit international code (World Customs Organization). CN is its 8-digit extension in the European Union. The 10-digit level (TARIC in the EU or the UK tariff) adds specific measures: rates, restrictions, requirements. The more detailed the level, the fuller the information on duty and obligations.
What are the risks of the wrong tariff code?
The wrong duty and VAT rate, the risk of extra charges and corrections, the goods being held, and sometimes missing a required licence. That is why the code is selected carefully, based on the type, material and function of the goods, and in case of doubt confirmed in the official tariff or by binding tariff information.
How do you establish the right tariff code?
Based on the type, material and function of the goods, using the official tariff lookup tools (UK Trade Tariff, TARIC in the EU). In case of doubt you can apply for binding tariff information. Our customs agencies help select and check the code within clearance — we do not guess, we confirm at the source.

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