Inspection detention and other measures in respect of ships registered outside the United Kingdom
15.—(1) A relevant inspector may inspect any ship which is not a United Kingdom ship when the ship is in a United Kingdom port, and if satisfied that the ship does not conform to the standards required of United Kingdom ships by these Regulations, may–
(a)send a report to the government of the country in which the ship is registered, and a copy thereof to the Director General of the International Labour Office; and
(b)where conditions on board are clearly hazardous to health and safety–
(i)take such measures as are necessary to rectify those conditions, or
(ii)detain the ship, provided that the measures specified in sub-paragraph (a) and (b) may be taken only when the ship has called at a United Kingdom port in the normal course of business for operational reasons.
(2) If either of the measures specified in paragraphs (1)(b) are taken, the relevant inspector shall forthwith notify the nearest maritime, consular or diplomatic representative of the State whose flag the ship is entitled to fly.
(3) The relevant inspector shall not in exercise of his power under this regulation detain or delay the ship unreasonably.