COOK ISLANDS - CRIMES ACT 1969
PART I - JURISDICTION
5. Persons not to be tried in respect of things done outside the Cook Islands - Subject to the provisions of section 6 of this Act, no act done or omitted outside the Cook Islands is an offence, unless it is an offence by virtue of any provision of this Act or of any other enactment.
Jurisdiction
Territorial jurisdiction - national proceedings
EDIT.