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Technical documentation that has changed in the UAC import declaration

a) Technical documentation that has changed.

  1. Additional Information Import CAU GENERAL V3.20: Updated to version V 3.21

    See variations in the details of version "2.4. Version V 3.21"

b) It can also be seen in:

HEADQUARTERS: Tax Agency: Technical guides - Presentation of the SAD (Single Administrative Document)

Web Services (agenciatributaria.gob.es) . During these days.