The Isle of Man was never part of the European Union, nor did it have a special status, and thus it did not take part in the 2016 referendum on the UK's EU membership. However, Protocol 3 of the UK's Act of Accession to the Treaty of Rome included the Isle of Man within the EU's customs area, allowing for trade in Manx goods without tariffs throughout the EU. As it is not part of the EU's internal market, there are still limitations on the movement of capital, services and labour.