Technical documentation that has changed in the import declaration and deadlines
a) Technical documentation that has changed:
- Additional Import Information CAU GENERAL V3.18
In its version V3.18 you can see the modifications.
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.
b) Definitive closure of the current PreCau duo.
See news published on 04/June/2024 (H1 publication of technical documentation and calendar ). Here the day 10/14/2025 is detailed as the day of definitive and irreversible closure of the current PreCau day regarding the registration of new complete or simplified declarations.