“British marine installation” means a marine installation owned by or leased to an individual residing in, or a body corporate incorporated under the law of, any part of the United Kingdom;

“British warship” means a ship belonging to Her Majesty and forming part of Her Majesty's armed forces;

“civilian marine enforcement officer” means a person appointed as a marine enforcement officer by the MMO or the Welsh Ministers;

“the Commissioners” means the Commissioners for Her Majesty's Revenue and Customs;

“fishing boat” means any vessel that is being used for fishing or for any activity relating to fishing;

“flag state”, in relation to a vessel, means the State whose flag the vessel is flying or is entitled to fly;

“marine installation” means any artificial island, installation or structure (other than a vessel);

“Northern Ireland fishing boat” means a fishing boat which is registered in the United Kingdom under Part 2 of the Merchant Shipping Act 1995 (c. 21) and whose entry in the register specifies a port in Northern Ireland as the port to which the boat is to be treated as belonging;

“petroleum” has the same meaning as in Part 3 of the Petroleum Act 1998 (c. 17) (see section 28(1) of that Act);

“Scottish fishing boat” means a fishing boat which is registered in the United Kingdom under Part 2 of the Merchant Shipping Act 1995 and whose entry in the register specifies a port in Scotland as the port to which the boat is to be treated as belonging;