7.—(1) Except in so far as in any particular case such immunity or privilege is waived by the Government of the Member which the person represents, every person designated by a Member of the Organisation as its principal permanent representative (or acting principal permanent representative) to the Organisation in the United Kingdom, and members of their family forming part of their household, shall enjoy for the term of the member’s business with the Organisation–
(a)the like immunity from suit and legal process as is accorded to the head of a diplomatic mission;
(b)the like immunity from personal arrest or detention and the like inviolability for all papers and documents as is accorded to the head of a diplomatic mission; and
(c)the like exemption or relief from local taxes (as described in the exception in Section A1 of Part II of Schedule 5 to the Scotland Act 1998) as are accorded to or in respect of a diplomatic agent.
(2) Sub paragraph (1)(c) shall not apply to any person who is a permanent resident of the United Kingdom; and sub paragraph (1)(a) and (b) shall apply to any such person only while the person is exercising official functions.
(3) Neither the preceding sub paragraphs nor Part IV of Schedule 1 to the 1968 Act shall operate so as to confer any immunity or privilege on–
(a)persons as the principal permanent representatives or acting principal permanent representatives of the United Kingdom or as members of the staff of such representatives (or as members of the family of such representatives); or
(b)any person who is a British citizen, a British overseas territories citizen, a British Overseas citizen or a British National (Overseas).
(4) Part IV of Schedule 1 to the 1968 Act shall not operate so as to confer any immunity or privilege on the official staff of a principal permanent representative (or acting principal permanent representative), other than members of the staff of diplomatic status resident in the United Kingdom.