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ILE MONSIN
4020 LIEGE
Traffic types
Office functions
Clearance & control
Administration
About this office
The Liège (Monsin) customs office on Île Monsin in Liège — on the Meuse, at the Albert Canal — handles export clearance in river and road traffic. The Port of Liège is Europe's third-largest inland port. Open Mon–Fri 08:00–12:00.
Fun fact
Mons lies on the Paris–Brussels trade route — an important customs point near the French border.
Frequently asked questions
The reference code is BE531000. The office is located in LIEGE and falls under Belgian FOD Financiën / Customs and Excise.
PLDA (PaperLess Douane en Accijnzen) is Belgium's electronic customs and excise declaration system. From September 2025, migration is underway — imports are moving to IDMS (Import Declaration Management System) and exports to AES (Automated Export System).
Belgian Customs and Excise (Douane et Accises) falls under FOD Financiën and is divided into 6 regional directorates: Antwerp, Brussels, Ghent, Hasselt, Liège and Mons. It employs approximately 3,200 officers. An Enquête et Recherche division handles serious customs offences.
Yes. The Port of Antwerp-Bruges is Europe's main gateway for South American cocaine — a record 116 tonnes were seized in 2023, and 55 tonnes in 2025. An Antwerp judge warned in 2025 that Belgium is becoming a European 'narco state'.