How customs classification works in practice, and which EU trade rules attach to a customs tariff code. Every guide is written answer-first, cites the legal texts it relies on, and is kept current with the annual nomenclature changes.
How customs tariff numbers work: HS, CN, and TARIC structure, which texts are legally binding, the classification process, and what a wrong code actually costs.
What a BTI covers and what it does not, how to apply, the 120-day and three-year deadlines, and how to use the EBTI database before you file an application.
The six General Rules of Interpretation (GRI) decide every tariff classification. What each rule says, the order they apply in, and common pitfalls.
The HS code is the first six digits of every customs tariff number and is identical worldwide. How it is structured, how to find it, and where it stops being enough.
The Combined Nomenclature is the EU's eight-digit goods classification. What a CN code is, how it relates to HS and TARIC, and why it changes every January.
TARIC extends the CN code to ten digits and carries the EU trade measures: anti-dumping duties, quotas, suspensions, prohibitions, and licensing requirements.
Commodity code, customs tariff number, HS code: the same classification at different lengths. Which one a declaration needs, and where the terms are not interchangeable.
EZT-Online is the official German electronic customs tariff. What it contains, how to search it, what it deliberately does not do, and how to work with its answers.
How the EU Carbon Border Adjustment Mechanism works in 2026: covered goods, the 50 tonne threshold, certificate costs, deadlines, and a cost estimator.
What the EU Deforestation Regulation requires, which commodities and CN codes are in scope, the deadlines from 30 December 2026, and how to prepare.
How EU anti-dumping and countervailing duties work: TARIC codes, company-specific rates, circumvention risks, and how to screen a product list.
When goods count as dual-use, how EU control codes and authorisations work, why US re-export rules reach EU companies, and how to screen a product list.