A ceremony of signing documents was held in Istanbul and attended by President Ilham Aliyev and Turkish Prime Minister Recep Tayyip Erdogan.

The Intergovernmental Agreement on the Trans-Anatolian Gas Pipeline between the Republic of Turkey and the Republic of Azerbaijan was signed by President of the Republic of Azerbaijan Ilham Aliyev and Turkish Prime Minister Recep Tayyip Erdogan. The agreement was also signed by the Minister of Industry and Energy of Azerbaijan, Natig Aliyev, and the Turkish Minister of Energy and Natural Resources, Taner Yildiz.

The initial memorandum on organizational matters pertaining to the TANAP Project Company between BOTAS and SOCAR was signed by the Minister of Industry and Energy of Azerbaijan, Natig Aliyev, the Turkish Minister of Energy and Natural Resources, Taner Yildiz, SOCAR President Rovnag Abdullayev and Deputy General Director of BOTAS Mehmet Konuk.

The Host Government Agreement between the Turkish Government and the Trans-Anatolian Gas Pipeline Company was signed by the Turkish Minister of Energy and Natural Resources, Taner Yildiz, and SOCAR President Rovnag Abdullayev on behalf of TANAP Compoany.

Then President Ilham Aliyev and Turkish Prime Minister Recep Tayyip Erdogan made statements for the media and answered questions from journalists.