Convention on Mutual Assistance in Criminal Matters between the Member States of the European Union established by the Council in accordance with Article 34 of the Treaty on European Union, ratified by a law adopted by the National Assembly of Republic of Bulgaria, promulgated in State Gazette issue 58/2007 (The Convention 2000);
European Convention on Mutual Assistance in Criminal Matters of the Council of Europe, ratified by a law adopted by the National Assembly of Republic of Bulgaria, promulgated in State Gazette issue 39/1994 (the European Convention on Mutual Assistance in Criminal Matters of 1959);
Criminal Procedure Code of the Republic of Bulgaria