Article 13
Except in so far as any privilege or immunity is waived by the Board of Directors or the President of the Bank, any Governor, Director, Alternate, officer or employee of the Bank and any expert performing a mission for the Bank shall enjoy —
(a)
immunity from suit and legal process in respect of acts, performed by him in his official capacity, except in respect of civil liability in the case of damage arising from a road traffic accident caused by him;
(b)
such immunity from suit and legal process as is necessary to ensure that all their official papers and documents have the like inviolability as, in accordance with the 1961 Convention Articles, is accorded in respect of official archives of a diplomatic mission.