The fourth sitting of the Armenian-Iranian intergovernmental economic commission is held in Teheran. Some 20 representatives of various ministries and departments represent Armenia at the sitting. Together with their Iranian colleagues they discuss a number of questions of mutual interest, in particular, those concerning the building of Iran-Armenia gas pipeline, project of laying the Kajaran tunnel. Artashes Tumanian, the commission Armenian co-chair, chief of the presidential administration, is expected to join the sitting December 9.