(1) Prohibitions or requirements may be imposed by or under regulations under section 1 in relation to -

(a) conduct in the United Kingdom or in the territorial sea by any person;

(b) conduct elsewhere, but only if the conduct is by a United Kingdom person.

(2) In subsection (1) "United Kingdom person" means -

(a) a United Kingdom national, or

(b) a body incorporated or constituted under the law of any part of the United Kingdom.

(3) For this purpose a United Kingdom national is an individual who is -

(a) a British citizen, a British overseas territories citizen, a British National (Overseas) or a British Overseas citizen,

(b) a person who under the British Nationality Act 1981 is a British subject, or

(c) a British protected person within the meaning of that Act.