51.—(1) This regulation applies if a maritime enforcement officer has reasonable grounds to suspect that a relevant ship is carrying prohibited goods or relevant goods.
(2) The officer may—
(a)stop the ship;
(b)board the ship;
(c)for the purpose of exercising a power conferred by paragraph (3) or regulation 52 (seizure power), require the ship to be taken to, and remain in, a port or anchorage in the United Kingdom or any other country willing to receive it.
(3) Where the officer boards a ship by virtue of this regulation, the officer may—
(a)stop any person found on the ship and search that person for—
(i)prohibited goods or relevant goods, or
(ii)any thing that might be used to cause physical injury or damage to property or to endanger the safety of any ship;
(b)search the ship, or any thing found on the ship (including cargo) for prohibited goods or relevant goods.
(4) The officer may—
(a)require a person found on a ship boarded by virtue of this regulation to provide information or produce documents;
(b)inspect and copy such information or documents.
(5) The officer may exercise a power conferred by paragraph (3)(a)(i) or (b) only to the extent reasonably required for the purpose of discovering prohibited goods or relevant goods.
(6) The officer may exercise the power conferred by paragraph (3)(a)(ii) in relation to a person only where the officer has reasonable grounds to believe that the person might use a thing to cause physical injury or damage to property or to endanger the safety of any ship.
(7) The officer may use reasonable force, if necessary, in the exercise of any power conferred by this regulation.