The Pre-Trial Chamber can hear motions and appeals against orders issued by the Co-Investigating Judges while a case is still under investigation. There are three Cambodian judges and two international judges, and any decision requires an affirmative vote of at least four out of the five judges.
If a case following the conclusion of the investigation is being sent to trial, the trial hearings will be conducted before the Trial Chamber. The Trial Chamber will decide whether an accused person is guilty or not guilty based on the witness testimonies, evidence and arguments presented by the parties during the trial. Three Cambodian judges and two international judges comprise the Trial Chamber, and a guilty verdict requires the affirmative vote of at least four out of the five judges.
The Supreme Court Chamber can hear appeals against decisions and judgements issued by the Trial Chamber. Four Cambodian judges and three international Judges comprise the Supreme Court Chamber. Any decision by the Chamber requires an affirmative vote of at least five out of seven judges.