Part One
GENERAL PART
Chapter VII
EVIDENCE
2. Evidentiary Actions
a) Interrogation of the Defendant
Confession of the Defendant
Article 88
When a defendant confesses to having committed a criminal offence, the authority conducting proceedings is required to continue collecting evidence about the perpetrator and the criminal offence only where there exists grounded suspicion about the veracity of the confession or if the confession is incomplete, contradictory or unclear and contrary to other evidence.
National proceedings on admission of guilt
EDIT.