BULGARIA - PENAL PROCEDURE CODE
Part two. EVIDENCING
Chapter seventeen. INVESTIGAITON
Section I.
Art. 220. (1) A person enjoying immunity shall not be involved. The penal tracing of this person for the same crime shall be initiated after the immunity is deprived, except other obstacles for this appear.
(2) Where the accused acquires immunity, the penal procedure shall be suspended, and the taken measures of procedural compulsion with regard of the person shall be cancelled. In this case the procedure may continue with regard of the rest of the accused persons, of this shall not establish an obstacle to detect the objective truth.
Immunity
State privileges and immunities
EDIT.