BULGARIA - PENAL PROCEDURE CODE
Part two. EVIDENCING
Chapter fourteen. METHODS OF EVIDENCING
Section V. Search and Seizure
Art. 159. On a request of the court or of the bodies of the pre-trial procedures, all establishments, juridical persons, officials and citizens shall be obliged to preserve and deliver the objects, papers, computer information data, the carriers of such data and data about the subscriber, which are in their possession and may be of importance for the case.
Request for cooperation
Request for other forms of cooperation
EDIT.