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Information event for software developers on new message descriptions in temporary storage, 10 December 2020

Publication date 27.11.2020 8.48
Press release

Changes to entry declarations and temporary storage declarations will be introduced in late 2021. For example, the current IE344 summary declaration for temporary storage to be submitted to the AREX system will be replaced by a new temporary storage declaration. Declarations compliant with new data contents are submitted to the new UTU Declaration Management System. The first version of message descriptions is available on the Customs message descriptions website.

Message descriptions

We will hold an video information event for software developers via Skype on 10 December 2020. Be sure to sign up for the event no later than on 8 December 2020 by email to UCC(at)

Event programme
09.30 – 09.45    Event opening, presentation method of message descriptions
09.45 – 10.30    Messages and examples of cases    
10.30 – 10.45    Structure of a temporary storage declaration
10.45 – 11.15    Data contents of a temporary storage declaration and presentation notification
11.15 – 11.30    Discussion and closing

The presentation will be in Finnish. The material will be published also in Swedish. Please let us know if you wish to attend an event in English.

More information: UCC(at)

Customer notice Uudistuvan lainsäädännön ja tulli-ilmoittamisen tiedotteet