 The Constitution states that judges may not be removed from their offices except through impeachment, conviction of a crime and sentencing to imprisonment, or if they should become unable to discharge their duties due to serious mental or physical impairment.The Court Organization Act sets the retirement age of judges as 63; for Supreme Court justices, who are technically not "judges", the retirement age is 65.The Korean legal system belongs to the continental inquisitorial system, which is markedly different from the English adversarial system.