9.  Except in so far as in any particular case any privilege or immunity is waived by the member governments whom they represent, representatives of member governments to the General Assembly or to any Council or other organ of the United Nations 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 from all papers and documents;
(b)immunity from legal process of every kind in respect of words spoken or written and all acts done by them in their capacity as representatives; and
(c)while exercising their functions and during their journey to and from the place of meeting, the like exemption or relief from taxes as is accorded to an envoy of a foreign sovereign Power accredited to the Republic of Singapore, except that the relief allowed shall not include relief from excise duties except in respect of goods imported as part of their personal baggage. They shall not, where the incidence of any form of taxation depends on residence, be deemed to be resident in Singapore during any period when they are present in Singapore while exercising their functions or during their journey to and from the place of meeting. The provisions of this paragraph shall not apply to citizens of Singapore whose usual place of abode is in Singapore.