If—
the person is guilty in England and Wales of that offence.
In this section—
"country" includes territory;
"United Kingdom national" means 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.