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Practical Manual for Companies 2020.

Identification of persons 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 website, where you can consult the identification 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.