(1) A maritime enforcement officer may, for a purpose mentioned in paragraph (2) or (3), exercise any of the maritime enforcement powers in relation to -
(a) a British ship in foreign waters or international waters,
(b) a ship without nationality in international waters, or
(c) a foreign ship in international waters,
and a ship within sub-paragraph (a), (b) or (c) is referred to in this Part as "a relevant ship".
(2) The maritime enforcement powers may be exercised for the purpose of enforcing any of the following -
(a) a prohibition in any of regulations 35 to 39 (trade sanctions relating to restricted goods and restricted technology);
(b) a prohibition in any of regulations 43 to 52 (trade sanctions relating to goods and technology other than restricted goods and technology), except for the prohibitions in regulation 50(3) (acquisition or transfer of fishing rights);
(c) a prohibition imposed by a condition of a trade licence in relation to a prohibition mentioned in sub-paragraph (a
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