Customs classification: an essential pillar of customs compliance and international operations

The customs classificationis one of the three fundamental pillars of the customs declaration, alongside theorigin of the goods and the customs value. It is based on the Harmonized System (HS), an international standard used to assign a unique customs code to each product. In the European Union, this code becomes TARIC, combining the 6 digits of the HS with 4 additional digits specific to European customs regulations.

This customs tariff code is used to determine :

The amount of customs duties and taxes to be paid.
Trade policy measures (quotas, anti-dumping duties, embargoes).
Regulatory sanitary or phytosanitary controls.
Generating international trade statistics.

An error in tariff classification can have far-reaching consequences: overpayments, customs fines, disputes or suspicions of customs fraud. In a context of increasing globalization, mastering customs nomenclature is crucial to ensuring regulatory compliance.

A limited nomenclature for an infinite product universe

The Harmonized System comprises between 15,000 and 16,000 customs codes, while the diversity of goods is unlimited. The same product may appear to correspond to several codes, each with its own tax and regulatory implications. Our expertise lies in identifying the appropriate customs code, guaranteeing a correct and legally compliant customs declaration.

Customs classification foundations and developments

Community Customs Tariff (CCT)

In the EU, the Community Customs Tariff is the basis for all classification. It compiles goods and their tariff codes. The 6-digit HS code can be enriched with national tariff subdivisions. This tariff also serves as the basis for determiningpreferential or non-preferentialorigin.

A constantly evolving nomenclature

Customs codes are frequently updated to reflect technological innovations or commercial developments. Regular customs monitoring is therefore essential, especially in sectors that are innovative or subject to specific regulations.

Tariff classification tools and references

Recueil des avis de classement (RTC ): a valuable guide for companies.
Explanatory notes to the General Interpretation Rules (GIR).
Binding Tariff Information (BTI ): a legal tool to secure your classification decisions.

The General Rules of Interpretation (GRI): the logic of classification

The General Interpretation Rules determine the order of classification:

Legal text and chapter notes.
Assimilation of incomplete products.
Mixed or composite products (RGI 3a, 3b, 3c).
Analogy.
Packaging.
Consistency between subheadings.

Risks of customs misclassification

A tariff classification error can result in :

Incorrect payment of customs duties.
Customs penalties and disputes.
Supply chain delays.
Loss of commercial confidence.

Strategic case: assortment

A customs assortment comprises several items sold together for a common purpose.

Valid example: perfume + deodorant = beauty use.
Invalid example: perfume + plush = separate uses.

In the case of a genuine assortment, classification is based on the essential article (RGI 3b), otherwise on the last possible position (RGI 3c). Correct product classification optimizes customs taxation (perfume: 0%, plush: 4.7%).

A concrete example of classification

Composite deck board (60% wood, 40% resin):

Wood seems logical, but resin provides the essentials (durability, strength).
Classification under resin (RGI 3b) → customs duty: 6.5% instead of 0% for wood.

Price monitoring: a strategic imperative

Regular updating of customs nomenclatures is essential, especially for product launches or packaging changes. Digital tools or customs compliance experts such as MyTower can make this task easier.