Crimes Against Humanity and War Crimes Act 2000
25 (1) Every person who, being a Canadian citizen, commits outside Canada an act or omission in relation to the International Criminal Court that if committed in Canada would be an offence under any of sections 16 to, 23, or would be contempt of court by virtue of section 9 of the, Criminal Code, is deemed to have committed that act or omission in Canada.
Jurisdiction
Omission
Territorial jurisdiction - national proceedings
EDIT.