Schedule B - Constitution Act, 1982 (79)
PART I - Canadian charter of rights and freedoms
Legal Rights
11. Any person charged with an offence has the right
h) if finally acquitted of the offence, not to be tried for it again and, if finally found guilty and punished for the offence, not to be tried or punished for it again;
Ne bis in idem - ICC
Ne bis in idem - State's own court
EDIT.