Cooperation of Ukraine with the Customs Union that consists of the Russian Federation, Belarus and Kazakhstan in “3+1” format preserves its urgency.

According to an UNIAN correspondent, Prime Minister of Ukraine Mykola Azarov said this during the meeting with Chairman of the State Duma of the Federal Assembly of the Russian Federation Sergey Naryshkin.

“The propositions that we said concerning this format, for example, “3+1”, preserve its urgency’, said the Prime Minister.