Article 16 Members of Staff
Except in so far as in any particular case any privilege or immunity is waived by the Director, the members of staff shall enjoy:
immunity from suit and legal process, even after they have left the services of the Organisation, in respect of acts, including words written and spoken, done by them in the exercise of their functions; this immunity shall not apply, however, in the case of a motor traffic offence committed by a member of staff of the Organisation, nor in the case of damage caused by a motor vehicle belonging to or driven by a member of staff;
unless they are British citizens, British Dependent Territories citizens, British Overseas citizens, British Nationals (overseas) or permanently resident in the United Kingdom, the like exemption from duties (whether of customs or excise) and taxes on the importation of furniture and personal effects (including one motor vehicle each) which—
at or about the time when they first enter the United Kingdom to take up their posts as officers of the Organisation are imported for their personal use, and
are articles which were in their ownership or possession or which they were under contract to purchase, immediately before they so entered the United Kingdom,
as in accordance with paragraph 1 of Article 36 of the 1961 Convention Articles is accorded to a diplomatic agent.