With the EORI number Customs identifies economic operators in the same way in all Member States. This yields efficiency benefits for those economic operators and customs alike. (EOR number = Economic Operators Registration and Identification number.)
Assignment of EORI number
The EORI number is allocated by the Member State in which the economic operator is established.
The European Union centrally registers all EORI numbers in the EORI database for the customs authorities of the various Member States.
EORI number - Consequences for the Customs processes
You are obliged to use the EORI number (or have used it) for all customs activities as the identification number for exchanging data with Dutch Customs.