EU importer X in Slovenia purchases goods from exporter Y in China. The exporter charges Company H, the carrier, to bring the goods by vessel into the EU. The goods enter the EU at the Slovenian port of Koper. This is the customs office of entry.
Customs office designated by the customs authorities to which an entry summary declaration must be sent and at which they will be subject to appropriate risk-based controls, primarily for safety and security purposes. The customs office of entry is the customs office geographically competent for the place where the goods are brought into the customs territory of the EU.