6.—(1)
(a)that any procedure (which has been developed for the effective application of the London Convention, the Oslo Convention or any designated Convention) specified in the order is an accepted procedure as between Her Majesty's Government in the United Kingdom and the Government of any Convention State so specified, and
(b)that the powers conferred by subsections (5) to (10) of section 5 of the original Act may be exercised for the purpose of the enforcement of that procedure outside United Kingdom waters—
(i)in relation to a British ship or hovercraft (as defined in the original Act), by a person of a specified class appointed to enforce it by the Government of that State, and
(ii)in relation to a ship or hovercraft of that State, by a British enforcement officer,
then the powers conferred by subsections (5) to (10) of section 5 of this Act may be exercised for the purpose of the enforcement of that procedure outside the territorial waters of the Territory—
(A)in relation to a British ship or hovercraft, by a person of the class specified in the said order, and
(B)in relation to a ship or hovercraft of the State specified in that order, by a local enforcement officer.
(2)