Article 11 High Officials
Except in so far as in any particular case any privilege or immunity is waived by the Council of the Organisation, the Director-General of the Organisation, or any official acting in his stead as provided for in Article VI of the Convention, shall enjoy—
the like immunity from suit and legal process, the like inviolability of residence, and the like exemption or relief from taxes and rates, other than customs or excise duties and taxes on the importation of goods, as are accorded to or in respect of the head of a diplomatic mission;
the like exemption and privileges in respect of his personal baggage as in accordance with paragraph 2 of Article 36 of the 1961 Convention Articles are accorded to a diplomatic agent;
relief, under arrangements made by the Commissioners for Her Majesty’s Revenue and Customs, by way of refund of duty (whether of customs or excise) paid on imported hydrocarbon oil (within the meaning of the Hydrocarbon Oil Duties Act 1979) or value added tax paid on the importation of such oil which is bought in the United Kingdom by him or on his behalf, such relief to be subject to compliance with such conditions as may be imposed in accordance with the arrangements;
the exemptions accorded to officials of the Organisation under Article 12(1)(b); and
exemptions whereby, for the purposes of the enactments relating to national insurance and social security, including enactments in force in Northern Ireland,—
services rendered for the Organisation by the officer shall be deemed to be excepted from any class of employment in respect of which contributions under those enactments are payable, but
no person shall be rendered liable to pay any contribution which he would not be required to pay if those services were not deemed to be so excepted.
This Article shall not apply to any person who is a British citizen, a British overseas territories citizen, a British Overseas citizen, a British National (Overseas) or a permanent resident of the United Kingdom.