On 9 October 2017, a protocol was signed between the Government of Ukraine and the Government of the Republic of Turkey on amendments to the Convention for the avoidance of double taxation and the prevention of tax evasion with regard to taxes on income and on capital.

In addition, an agreement was signed between the Government of Ukraine and the Government of the Republic of Turkey on amendments to the Agreement on Mutual Assistance and the Protection of Investments between the Government of Ukraine and the Government of the Republic of Turkey. The document defines the procedure for facilitating the attraction of mutual investment from Turkey to Ukraine and from Ukraine to Turkey, determines the mechanism of their mutual protection in the territories of both States and promotes a fair and equal investment regime.