Part One. General Provisions

Section I. Basic Provisions

Chapter 4. Grounds for Refusal of the Institution of a Criminal Case and for Termination of Criminal Case or Criminal Prosecution

Article 27. Grounds for Termination of the Criminal Prosecution

1. 4) existence of the sentence on the same accusation or of the ruling of the court or the resolution of the judge on the termination of the criminal case on the same accusation, which has come into legal force, with respect to the suspect or to the accused ;

Article 20
Ne bis in idem
1. Except as provided in this Statute, no person shall be tried before the Court with respect to conduct which formed the basis of crimes for which the person has been convicted or acquitted by the Court.
2. No person shall be tried by another court for a crime referred to in article 5 for which that person has already been convicted or acquitted by the Court.
3. No person who has been tried by another court for conduct also proscribed under article 6, 7 or 8 shall be tried by the Court with respect to the same conduct unless the proceedings in the other court:
(a) Were for the purpose of shielding the person concerned from criminal responsibility for crimes within the jurisdiction of the Court; or
(b) Otherwise were not conducted independently or impartially in accordance with the norms of due process recognized by international law and were conducted in a manner which, in the circumstances, was inconsistent with an intent to bring the person concerned to justice.