Framework Convention for the Protection of the Marine Environment of the Caspian Sea (Nov. 4, 2003) Countries/Territories Entry into force Simple signature Iran, Islamic Republic of Aug 12, 2006 Nov 4, 2003 Kazakhstan Aug 12, 2006 Nov 4, 2003 Russian Federation Aug 12, 2006 Nov 4, 2003 Turkmenistan Aug 12, 2006 Nov 4, 2003 Azerbaijan Aug 12, 2006 Nov 4, 2003