Any person who has privileges and immunities under:
Diplomatic Privileges Act 1964 or
Commonwealth Secretariat Act 1966 or
Consular Relations Act 1968 or
International Organisations Act 1968 or
Commonwealth Countries and Republic of Ireland (Immunities and Privileges) Order 1985 or
Hong Kong Economic Trade Act 1996
a British Citizen,
a British Dependent Territories Citizen,
a British National (Overseas) or British Overseas citizen or
a British Subject under the British Nationality Act 1981 or
a British protected person or a permanent resident of the United Kingdom
The Diplomat must also have no other premises within the UK, which are their main residence.
See also connection with Class V exemption