"Gas swaps will be the issue of discussion for the troika at the next GECF meeting", Khatibi was quoted as saying.
Reportedly, Iran's Oil Minister Gholam-Hossein Nozari said on Saturday that Tehran-Moscow were holding talks to finalize a gas swap deal.
"Swaps are agreements by which a country can supply goods to another in exchange for the latter giving the equivalent to a third party."