Prime Minister Cameron D. assesses the Summit of "Eastern partnership" in Riga as an opportunity to start discussions on the reform of the European Union at the beginning of the planned referendum on the country's withdrawal from the EU. "there is an opportunity to start discussions on the reform of the European Union. There will be many UPS and downs, one day it may be, to another is impossible. But the only thing that Will remain constant is my commitment to provide the British reform of the European Union to have been the right choice at the referendum that will take place by the end of 2017 ", - He said on arrival at the Summit. Cameron's past even before the 7 may election, in which He won a landslide victory, said he would hold a referendum on a British exit from the EU in 2017, But not excluded, and earlier periods. He also promised to seek a review of the relations of Britain with the EU. Cameron first put forward a number of requirements to the European Union: from the restoration of internal migration surveillance and monitoring of social benefits in different countries (to avoid duplication) to the reform of the system of contributions to the EU budget. The program "Eastern partnership" includes political Association and economic integration of the EU with Azerbaijan, Armenia, Belarus, Georgia, Moldova and Ukraine. The last 3 countries last year signed the Treaty on the Union with the EU. The summit of "Eastern partnership" held on may 21-22 in Riga. It involves the head of States and governments of EU countries and countries included in the program.