BULGARIA - PENAL PROCEDURE CODE
Part one. GENERAL RULES
Chapter three. INSTITUTION, DISCONTINUATION AND SUSPENSION OF THE PENAL PROCEEDINGS
Art. 25. The penal procedure shall be suspended:
1. Where, following the commitment of the offence, the accused person has fallen into a brief mental disorder, which excludes sanity or in case he/she suffers from another severe disease, which impedes the carrying out of the proceedings;
Incapacity - national proceedings
Insanity - national proceedings
Mental disease or defect - national proceedings
EDIT.