(1) Proceedings for an offence under section 79 or 80 shall not be instituted-
(a) in England and Wales, except by or with the consent of the Attorney General; or
(b) in Northern Ireland, except by or with the consent of the Advocate General for Northern Ireland.
(2) In this Part "United Kingdom person" means a United Kingdom national, a Scottish partnership or a body incorporated 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 (c. 61) is a British subject; or
(c) a British protected person within the meaning of that Act.