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Practical Manual for Companies 2021.

Identification of people and entities

The WEB Companies help service does not allow the submission of declarations with incorrectly identified persons or entities ( NIF of partners, directors, participating entities, etc.).

For this reason, it is recommended to use the identification help service beforehand, which is available on the AEAT internet portal, where identification can be consulted both individually and in bulk.

In those cases where it is possible to fill in identification data for third countries using a country field or similar mark for this purpose), validation against the AEAT census will not be carried out.