New versions of the G3v2 (version 2.5), G4 (version 1.0) and G5 (version 2.5) technical guides have been published for the G4 temporary storage declaration, presentation of goods to customs and movement of goods in temporary customs storage.

Typos have been corrected and some informative sections have been included.

G5G and G5S messages, covered by G5v2, which allow the movement of goods in temporary storage declared with G4, will go into production and can begin to be declared on 03/03/2025. Please note that for the air environment, the closing date for DSDT (Discharge Summaries) has been set for 01/15/2026.

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