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.

The introduction of the N337 has been underway for over two years, as stated in some declarations such as EXS and ETD However, it is observed that most declarants continue to use the XSUM, XSUA and 337 references, which only support DSDT reference formats.

It would be advisable to adopt as soon as possible The N337 pre-document (or its equivalent) in all customs declarations to avoid serious problems in customs declarations, especially in the air environment.

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