The ICC has the competence to try individuals for the crimes of genocide, crimes against humanity and war crimes, when those individuals are nationals of one of the 124 States Parties to the Rome Statute or the crime was committed on the territory of a State Party, or the State involved submits a declaration authorizing the ICC’s jurisdiction with respect to the alleged crime. In such cases, the State involved must refer the situation to the ICC or the ICC must authorize the Prosecutor’s investigation proprio motu. The ICC may also investigate and prosecute alleged crimes when the situation has been referred to it by the UN Security Council, even without the relevant State’s ratification of the Rome Statute or ad hoc acceptance of ICC’s jurisdiction.
In Canada , the Crimes Against Humanity and War Crimes Act , . 2000 (CAHW) has incorporated the following as domestic crimes: genocide, crimes against humanity, war crimes, breach of responsibility by a military commander or a superior (usually a civilian superior), offences against the administration of justice of the International Criminal Court , and possession or laundering of proceeds derived from these crimes. Normally, criminal jurisdiction is exclusively territorial, but CAHW invokes universal jurisdiction as defined in customary international law.