2016 Erdogan colaborates with Putin Timelines: K-Erdgas-Erdöl, N-Russland, N-Türkey, N-Türkey-takeover
On 10 October 2016, Russia and Turkey officially signed the intergovernmental agreement in Istanbul, confirming commitment in the execution of the project.
Contract with a offshore contractor Allseas for laying the first line was signed on 8 December 2016 and for the second line on 20 February 2017.