BULGARIA - PENAL PROCEDURE CODE
Part two. EVIDENCING
Chapter fourteen. METHODS OF EVIDENCING
Section V. Search and Seizure
Art. 162 (5) Search and seizure in premises of foreign representations of international organisations and in houses of their employees, which enjoy immunity with regard to the criminal jurisdiction of the Republic of Bulgaria shall be conducted with the consent of the chief of the representation office and in the presence of a representative of the Ministry of Foreign Affairs.
Immunity
State privileges and immunities
Information, property or persons subject to the control of a third State or international organisation
EDIT.