Export software developers: Testing of the final rules for export begins on 24 November 2025
The currently used export declarations were introduced with transition period rules. The transition period ends on 15 December 2025 at 01.59 Finnish time, after which the final rules for export declarations will apply. There will be changes to declarations, so software suppliers, IT service providers and customers who have created their own software must test the new export messages with Customs.
The testing must be completed by 12 December
The testing begins on 24 November 2025 and it must be completed by 12 December 2025. The testing consists of one manual test case.
How to apply for testing
You can apply for testing by sending a freeform email message to UCC@tulli.fi. Provide the following details in the email message:
- name of the company
- EORI number
- suggested time for the testing.
Customs’ testing official will contact you before the testing begins.
More information
Exporter: Final rules for export declarations to be deployed on 15 December 2025 (customer notice, 16 October 2025)
The final MIGs for export will be deployed on 15 December 2025 (customer notice, 10 March 2025)
UCC@tulli.fi