The head of Mission or his/her authorized representative must always co-sign the 136F declaration both for the private/personal use of an individual or the official use of the diplomatic mission.
For more specific information, you can always reach the FPS – Belgian Finance - Administration of Customs and Excise:
- Boulevard Roi Albert II 33/bte 372--1030 BRUXELLES
- da.operations.diplomat@minfin.fed.be