Iran's membership in EEU is at the final stage, Alexander Novak told Russia Today TV channel.
Iran's membership in EEU can develop the two countries' bilateral trade and elevate their cooperation in investment field, he added.
A treaty aiming at the establishment of the EEU was signed on May 29, 2014 by the leaders of Belarus, Kazakhstan and Russia, and came into force on January 1, 2015.
The economic bloc member-states and Iran have already emphasized their eagerness on expanding mutual ties, and various steps, including cutting tariffs, and free-trade zones, have been taken to clear the way for strengthening the economic relations.
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