C.    HIGH OFFICIALS
10.  Except in so far as in any particular case any privilege or immunity is waived by the Organisation, officers of the Organisation holding the offices of Director-General and Deputy Director-General shall be accorded in respect of themselves, their spouses and children under the age of 21 years, the like immunity from suit and legal process, the like inviolability of residence and the like exemption or relief from taxes as is accorded to an envoy of a foreign sovereign Power accredited to the Republic of Singapore, his spouse and children. They shall also enjoy exemption from income tax in respect of emoluments received by them as officers of the Organisation.