Tehran is to host the 27th working group meeting of Caspian Sea littoral states early November aiming at arrangement of the sea's legal regime, the ISNA news agency reported.
The meeting involves deputy foreign ministers and special envoys of presidents of five Caspian Sea littoral states (Iran, Russia, Azerbaijan, Kazakhstan and Turkmenistan).
The meeting is in line with regular sessions of the five countries.
In November 2003, the Caspian countries signed the Framework Convention for the Protection of the Marine Environment of the Caspian Sea.
In July 1998, Russia and Kazakhstan signed an agreement on the delimitation of the northern part of the Caspian Sea in order to exercise sovereign rights for subsoil use.
Nov. 29, 2001 and Feb.27, 2003 Kazakhstan and Azerbaijan signed an agreement on the delimitation of the Caspian Sea.
Kazakhstan, Azerbaijan and Russia signed an agreement on the delimitation of adjacent sections of the Caspian Sea May 14, 2003.