Due to the great importance of the EORI number (Economic Operator Identification Number) being unique throughout the life of a legal entity or natural person; since it is valid throughout the European Union, known by all Member States and essential for acquiring certain customs authorisations, in which the EORI cannot be modified; The option, which existed until 15 December, to change the EORI number because the NIF letter had changed has been deactivated.

Therefore, the Spanish EORI number will always be the same as the one that was first granted, and cannot be changed even if the entity or person changes their NIF.