Part 1 General Rules
Chapter 2 Fundamental Principles
Article 6
Administration of justice on criminal cases solely by the courts
(1) Justice on criminal cases may only be administered by the courts established by the Constitution of the Republic of Bulgaria.
Part 2 Evidencing
Chapter 17 Investigation
Section 1 Institution of Pre-trial procedure and Conduction of Investigation
Article 218
(1) Where needed, the body of investigation may request form another body of investigation to perform separate actions of investigations.
(2) Where the body of investigation requires so, the bodies of the Ministry of Interior shall be obliged to provide assistance at the performance of concrete actions of investigation.
States Parties shall, in accordance with the provisions of this Statute, cooperate fully with the Court in its investigation and prosecution of crimes within the jurisdiction of the Court.