BULGARIA - PENAL PROCEDURE CODE
Part two. EVIDENCING
Chapter thirty six. PROCEDURES IN CONNECTION WITH INTERNATIONAL COOPERATION ON PENAL CASES
Section III. International Legal Assistance in Penal Cases
Art. 471. (1) International legal assistance in penal cases of another state shall be rendered on the terms of a concluded international treaty to which the Republic of Bulgaria is a party, or on the principle of mutuality. International legal assistance in penal cases shall also be rendered to an international court of justice whose jurisdiction has been recognised by the Republic of Bulgaria.
(2) The international legal assistance shall include:
1. submission of documents;
1. States Parties shall, in accordance with the provisions of this Part and under procedures of national law, comply with requests by the Court to provide the following assistance in relation to investigations or prosecutions:
(d) The service of documents, including judicial documents;
(i) The provision of records and documents, including official records and documents;