Customs News

In the recent news story titled "Urgent reminder to use previous document N337" Document 337 was associated as a previous document type that only supports reference formats to the DSDT. However, this is not true for document 337 of the declaration H2 which does allow reference to both DSDT and G4, being equivalent in this respect to the N337 of other customs declarations, as explained in its technical guide.

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With the upcoming closure of primary care admissions DSDT in the airfields (March 9), which are being replaced by the declarations G4It is reminded that in order for customs declarations to be dated G4, the use of the previous document type is essential. N337 which allows dating both DSDT and G4 with a fairly wide default range of references. These can be found in the technical guide of each customs declaration or, failing that, in section "2.8.3. Previous document N337 as a reference for the dating of the Temporary Deposit (G4 or DSDT)" of the G4 technical guide.

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Regarding the digitization of ATA notebooks.

A new version 1.9 of the technical guide has been published G4 for the declaration of temporary storage of goods.

The main change is the modification of section "2.4.5.1.Calculated customs situation" and the inclusion of a new type of document 1237 - "Other situations involving third-party goods in regular line", which will allow in the G4 linked to regular line transports to prevent, despite not having prior digital documents that justify that the goods are not community, the calculation of the customs situation from being set at the "T1" value taking into account cases such as those that occur in certain postal shipments (UPU).

Please note that there is an External Testing Portal in pre-production accessible from this link . It contains a section dedicated to Declarations CAU Temporary Storage ( G3v2, G4 and G5v2 ) which contains a series of queries that will be useful for the pre-production testing of economic operators' computer systems linked to the G4. You can access it from here link.

Some of them, such as the G4 query of items by location and the G4 query of items by MRN and status, have recently been published on the testing portal and will soon be published on the electronic headquarters in the production environment.

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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.

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.

When applying for a special regime authorization, the holder of the guarantee provided must be the holder of the special regime authorization, or where applicable, the person acting as direct representative. In these cases, in order to allow the use of the direct representative's guarantee, it will be required that the code be declared. 9017 “Guarantee of potential debt under special regimes of the direct representative.”

From January 10, 2026, the use of CATCH It is mandatory for the application for fishing authorization in most products and operations. However, the CATCH system coexists with the national SIGCPI system for certain products and operations; more information at Tax Agency: Goods affected by controls from other Ministries - Illegal Fishing.

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From 20-01-2026, Tuesday, at 08:00, the following will be considered regarding document 1019 (Clause for assignment of representation on portal).