Customs Dec's: Nature of Transactions Code (UK&EU)
- Arne Mielken
- Mar 26
- 6 min read
EU & UK Customs Declaration: Nature of Transaction Code: Why Choosing the Right "Nature of Transaction" Customs Code Matters

In both the UK and EU customs declarations, selecting the correct "Nature of Transaction" code is required for ensuring compliance of your customs declaration.
In the UK and the EU, the code can be a single number from the designated list below (specific to UK rules), or a two-digit optional figure.
While the choices of available combinations may differ in the EU from the UK, the core purpose of these codes remains the same: to provide customs authorities with the details they need to assess and process the transaction correctly. It is the responsibility of the customs broker or importer to determine the correct code for each transaction.
What is the Nature of the Transaction?
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