Additional powers
(1) The maritime officer may also exercise powers in the case of a v essel, installation or aircraft if the powers are :
(a) specified in an international agreement or international decision that applies to the vessel , installation or aircraft ; and
(b) prescribed by the regulations as powers that may be exercised in relation to vessels, installations or aircraft of that kind ; and
(c ) exercised for the purposes of administ ering, ensuring compliance with or investigating a contravention of the agreement or decision .
Limit ations on powers
(2) However, t he officer must not exercise a power in relation to a vessel, installation or aircraft to administer, ensure c ompliance with or investigate a contravention of an international agreement or international decision if :
(a) the power is prescribed by the regulations as a power that must not be exercised under the agreement or decision in relation to vessels, installations or aircraft of that kind ; or
(b) the officer is of a kind prescribed by the regulations as officers who mus t not exercise powers under the agreement or decision in relation to vessels, installations or aircraft of that kind.
(3) Subsection ( 2) has effect despite any other provision of this Subdivision .