Border control is the implementation of border controls on travel between Svalbard, which maintains a policy of free migration as a result of the Svalbard Treaty (Norwegian: Svalbard-traktaten; ) and the Schengen Area, which includes the rest of Norway. The Kingdom of Denmark also maintains a complex system of subnational countries with autonomous customs policies, since they aren’t within the European Union like the Danish mainland. These are Greenland () and the Faroe Islands (). These areas do not maintain strict immigration controls with the Schengen Area, but border controls are sporadically enforced for customs purposes. Other examples of effective internal border
Withdrawal of Greenland from the European Communities Withdrawal of Greenland from the European Communities The withdrawal of Greenland from the European Communities took place in 1985. This followed a referendum in 1982 in which 53% voted to leave. The Greenland Treaty was an agreement between the member states of the European Communities, concerning Greenland's exit from the European Communities. It followed the Greenlandic referendum in 1982 in which voters supported exiting the EC. The Treaty arranged for the exit of Greenland and amended earlier treaties of the European Communities. As such, it is an integral part of the constitutional basis of the European Union. The decision to