25.—(1) For the purpose of determining whether a breach of the duty imposed by regulation 4 has occurred, it is immaterial that the relevant acts or omissions occurred outside the United Kingdom if, when they occurred, the person –
(a)was a United Kingdom national, or
(b)was a body incorporated under the law of any part of the United Kingdom, or
(c)was a person (other than a United Kingdom national or such a body) maintaining a place of business in the United Kingdom.
(2) In this regulation “United Kingdom national” means an individual who is –
(a)a British citizen, a British Dependent Territories citizen, a British National (Overseas) or a British Overseas citizen;
(b)a person who under the British Nationality Act 1981(1) is a British subject, or
(c)a British protected person (within the meaning of that Act).