|org_type = Customs union
|GDP_PPP= $19.6 trillion
The European Union Customs Union (EUCU) is a customs union which consists of all the member states of the European Union (EU) and some of its neighbouring countries: Andorra, Monaco, San Marino and Turkey.
The customs union is a principal task of the European Economic Community, established in 1958, and now succeeded by the European Union. No customs are levied on goods travelling within the customs union and—unlike a free trade area—members of the customs union impose a common external tariff on all goods entering the union. One of the consequences of the customs union is that individual European Union member states are prevented from negotiating international trade deals through institutions such as the World Trade Organisation.
Monaco and the British territories of Akrotiri and Dhekelia, Guernsey, Isle of Man and Jersey are integral parts of the EU's customs territory, while Andorra, San Marino and Turkey, a candidate for EU membership, are each in a customs union with the EU.
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