On September 29th five-sided intergovernmental documents were signed as part of the 4th summit of the heads of state of the Caspian littoral states in Astrakhan with the participation of President of Azerbaijan Ilham Aliyev, President of Russia Vladimir Putin, President of Iran Hassan Rouhani, President of Kazakhstan Nursultan Nazarbayev and President of Turkmenistan Gurbangulu Berdimuhamedov.
An agreement on cooperation in hydrometeorology of the Caspian Sea, an agreement on cooperation in warning and liquidating emergencies in the Caspian Sea and an agreement on the preservation and rational use of water biological resources in the Caspian Sea were signed by relevant ministries of the Caspian littoral states.
Then President of Azerbaijan Ilham Aliyev, President of Russia Vladimir Putin, President of Iran Hassan Rouhani, President of Kazakhstan Nursultan Nazarbayev and President of Turkmenistan Gurbangulu Berdimuhamedov signed a statement of the presidents of Azerbaijan, Russia, Iran, Kazakhstan and Turkmenistan.
 

Azertag