D. PERSONS EMPLOYED ON MISSIONS ON BEHALF OF THE
Except in so far as in any particular case any privilege or immunity is waived by the Organization, persons (other than officials of the Organization) serving on Committees of, or on behalf of the Organization shall enjoy-
(a) while exercising their functions as such, and during their journey to and from the place of meeting, immunity from personal arrest or detention and from seizure of their personal baggage and inviolability of all papers and documents relating to the work of the Organization;
(b) immunity from legal process of every kind in respect of words spoken or written and all acts done by them in the exercise of their functions. Such immunity shall continue notwithstanding that the persons concerned are no longer employed on missions on behalf of the Organization.