The Sofia Regional Prosecution Office made a proposal to Prosecutor General Ivan Geshev to submit to the National Assembly a request for lifting the immunity of We Continue the Change Co-chairman Kiril Petkov. The proposal was made in connection with pre-trial proceedings regarding a declaration of citizenship containing false information which was submitted under Article 110 of the Constitution of the Republic of Bulgaria. According to the Constitution, MPs and ministers must be Bulgarian citizens only.

In a Facebook post, Kiril Petkov wrote that he would waive his parliamentary immunity once the parliament sets up an immunity committee where he would present "all facts and evidence". "To the prosecutors and the security services: don’t you understand that we are determined to make a comrehensive reform of the judiciary and the captured specical services and that you cannot stop or scare us", Kiril Petkov wrote further.