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Codes used in customs declarations

The codes are intended for message and online declarants.

1. Codes used in declarations submitted in the Customs Clearance Service and via message exchange in the customs clearance system

The codes used in the declarations for import, export, arrival, customs warehousing, transit and declarations concerning Åland, submitted in the Customs Clearance Service and via message exchange, are available on Customs’ GitHub website: Codelists.

Comparison table for the changed codes for export

Comparison table, xlsx. Document type codes, additional information codes and additional procedure codes used for the new export declarations (UTU) from 5 October 2024, compared with the previously used (ELEX) document codes, additional statement codes and codes for the national procedure.

Customs office codes, UNLOCODE codes as well as UNDG and CUS codes

Used in the customs declarations are also code lists determined by the EU and code lists of other international customs offices, UNLOCODE codes for locations, UNDG codes for dangerous goods and CUS codes for chemical substances. Links to the webpages and files where you can see the code lists:
Customs offices (xml): Download Reference Data (europa.eu)
UNLOCODE codes: UN/LOCODE Code List by Country and Territory | UNECE
UNDG codes: Dangerous Goods | UNECE
CUS codes: ECICS - European Customs Inventory of Chemical Substances - European Commission (europa.eu)

2. Codes used in other services and messages:

Liiketoiminnan luonnekoodit 1.1.2022 alkaen (xlsx, 23 kB)

Koderna för typ av transaktion fr.o.m. 1.1.2022 Codes for nature of transaction as of 1 January 2022


Liiketoiminnan ja kauppatapahtuman luonnekoodit, muunnostaulukko (xlsx, 20 kB)

Koderna för typ av transaktion och transaktionens art, konverteringstabell Codes for nature of transaction and activities, conversion chart


Koodit-Koder-Codes.xlsm (xlsm, 566 kB)

Päivitetty/uppdaterad/updated 1.6.2023