British Prime Minister, Teresa May, said at a European summit in Sofia that London would not apply to the European Union with a request to extend the country's membership in the Customs Union after the exit from the EU. The prime minister said: “Great Britain will leave the Customs Union together with the withdrawal from the EU. Of course, we will negotiate further customs agreements with the European Union”. According to her, Britain will build mutually beneficial trade relations both with other countries and with the EU. Officially, the UK's withdrawal from the European Union will be completed on March 29, 2019.