This Act does not authorise the exercise of powers in relation to a foreign installation at a place between Australia and another country unless the powers are exercised :
(a) to adm inister, ensure compliance with or investigate a contravention of an international agreement or international decision that applies to foreign installation s , or persons on foreign installations , in that place; or
(b) at the request or with the agreement of the country that controls the installation ; or
(c) in connection with the exercise of powers in accordance with this section , to ensure the safety of a maritime officer or any other person.