Article 15

Experts performing functions on behalf of, or carrying out missions for, the Organisation shall enjoy the following privileges and immunities, to the extent that they are necessary for the carrying out of their functions, including during journeys made in carrying out their functions and in the course of such missions:

(a) immunity from jurisdiction in respect of acts done by them in the exercise of their functions, including words written or spoken, except in the case of a motor traffic offence committed by an expert or in the case of damage caused by a motor vehicle belonging to or driven by him; experts shall continue to enjoy this immunity after they have ceased to be employed by the Organisation;
(b) inviolability for all their official papers and documents;
(c) the exchange facilities necessary for the transfer of their remuneration.