(1) Except in so far as in any particular case any privilege or immunity is waived by the State or intergovernmental organisation which they represent, representatives of States Parties attending meetings of the Assembly, representatives of other States attending meetings of the Assembly as observers in accordance with article 112, paragraph 1, of the Rome Statute, and representatives of States and of intergovernmental organisations invited to meetings of the Assembly shall, while exercising their official functions and during their journey to and from the place of meeting, enjoy the following privileges and immunities—
(a) the like immunity from personal arrest or detention and the like inviolability for all papers and documents as is accorded to a diplomatic agent;
(b) immunity from suit and legal process (even after they have ceased to exercise their functions as representatives) in respect of acts, including words written or spoken, performed by them in the exercise of their official functions;
(c) the like exemptions and privileges in respect of their personal baggage as in accordance with paragraph 2 of Article 36 of the 1961 Convention Articles are accorded to a diplomatic agent;
(d) exemption from income tax in respect of salaries and emoluments paid to them as representatives;
(e) exemptions whereby, for the purposes of the enactments relating to national insurance and social security, including enactments in force in Northern Ireland,—
(i) services rendered for the Court by the representative shall be deemed to be excepted from any class of employment in respect of which contributions or premiums under those enactments are payable, but
(ii) no person shall be rendered liable to pay any contribution or premium which he would not be required to pay if those services were not deemed to be so excepted.
(2) Where the incidence of any form of taxation depends upon residence, a representative shall not be deemed to be resident in the United Kingdom during any period when he is present in the United Kingdom for the discharge of his duties.
(3) Paragraphs (1) and (2) shall not operate so as to confer any privilege or immunity on any person as a representative of the United Kingdom or on any person who is a British citizen, a British overseas territories citizen, a British Overseas citizen, or a British National (Overseas).