As GERB won 84 out of the 240 seats in the National Assembly (a plurality), they were compelled to form a coalition to legally govern.

Vuchkov cited the reluctance of PM Borisov to replace the ministry's chief secretary Svetlozar Lazarov and the head of the National Security Agency (DANS) Vladimir Pisanchev.

[12] On 9 December 2015, the Minister of Justice Hristo Ivanov resigned, stating that the National Assembly had compromised the reforms in the court system by voting an altered version of the proposed amendments in the constitution.

Ivanov added that the prime minister Borisov is dependent on the chief prosecutor Sotir Tsatsarov.

[13] On 13 November 2016, after the GERB candidate Tsetska Tsacheva lost the 2016 presidential elections to Rumen Radev, the prime minister Borisov announced that the government will resign.