While not responsible for the arrangement of cross border freight, ports and terminals in both Great Britain (GB) and the European Union (EU) are critical nodes in the international supply chain. Handling the freight at the point of export or import and in some cases becoming the border control post (BCP). The three-phase model to import changes adopted in GB means that while some changes took affect from 1 January 2021, the full range of changes will not come into force until 1 July 2021.