- EXS is an electronic message sent to customs before goods leave the EU customs area.
- It is used for security and safety purposes.
- Required when goods leave the EU without a full customs or re-export declaration.
- Needed if goods are in temporary storage for over 14 days or if destination changes.
- Required for moving empty pallets, containers, vehicles, or reusable packaging under a transport contract.
- Necessary if goods leave by rail or road without a transit declaration with security data.
- Required if sea or air transport is redirected to a non-EU port or airport for unloading.
- Not required for some destinations like Norway.
- Typically submitted by the carrier, but other options exist under legislation.
- Important resources include the Message Implementation Guide and EXS data set explanation.
- Testing is available via the AES test environment.
Source: financien.belgium.be
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.