BULGARIA - PENAL PROCEDURE CODE
Part two. EVIDENCING
Chapter thirty six. PROCEDURES IN CONNECTION WITH INTERNATIONAL COOPERATION ON PENAL CASES
Section II. Recognition and Execution of a Sentence of a Foreign Court
Art. 463. An effective sentence enacted by a foreign court shall be recognised and executed by the authorities of the Republic of Bulgaria in accordance with Art 4, Para 3, when:
5. as regards the same perpetrator for the same crime the Republic of Bulgaria has not recognised a sentence of another foreign court;
EDIT.