Chapter 2 Fundamental Rights and Duties of Citizens
Article 31
(2. ) No one shall be forced to plead guilty, and no one shall be convicted solely by virtue of confession.
BULGARIA - PENAL PROCEDURE CODE
Part one. GENERAL RULES
Chapter seven. ACCUSED
Section I. General Provisions
Art. 55. (1) The accused shall have the following rights:
...
to give or to refuse to give explanations about the accusation.
1. In respect of an investigation under this Statute, a person:
(a) Shall not be compelled to incriminate himself or herself or to confess guilt;