Web portals for TIN (NIF) validations
In order to facilitate the process of validation of the TIN included in the tax residence declaration, the following portals are provided where the information of each country can be consulted in relation to the issuing, obtaining and, where applicable, structure and operation of the corresponding TIN:
Tool to validate TIN structure and syntax in EU for natural personsList of TIN structure for EU countriesTIN structure in AEOI portal