The mandatory export control system in the port of Hamburg is called ZAPP. All export shipments have to be notified in the ZAPP system. ZAPP checks the declaration directly on content and correctness, and Customs determine whether further control measures are required. If this is not necessary, permission for export is given by issuance of a Z-number.

Notification of export goods in the port of Bremen is done in the ‘Bremen HafenTelematik (BHT)’. The declaration is checked and the goods can be exported after being released by Customs.