The Presidents of Turkmenistan, Kazakhstan, the Russian Federation, Azerbaijan and the Islamic Republic of Iran signed the Convention on the Legal Status of the Caspian Sea.Among other documents signed by the parties at the 5th Summit of the Heads of Caspian Littoral States are the Agreement between the Governments of the Caspian Littoral States on Trade and Economic Cooperation; the Agreement between the Governments of the Caspian Littoral States on Cooperation in the Sphere of Transport; the Agreement on the Prevention of Incidents in the Caspian Sea; the Protocol on Cooperation and Coordinated Action of Border Authorities to the Agreement on Security Cooperation in the Caspian Sea signed on 18 November 2010; the Protocol on Cooperation in Combating Terrorism in the Caspian Sea to the Agreement on Security Cooperation in the Caspian Sea signed on 18 November 2010; the Protocol on Cooperation in Combating Organized Crime in the Caspian Sea to the Agreement on Security Cooperation in the Caspian Sea signed on 18 November 2010.