a) Technical documentation that has changed.

1. Additional Information Importation CAU RR.EE. V1.2 : Updated to version V 1.3

   See variations in the details of version "2.4. Version 1.3".

b) It can also be seen in:

HEADQUARTERS: Tax Agency: Technical guides - Filing of SAD (Single Administrative Document).

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