Further decides that, in order to encourage Member States to be represented at a high level of expertise and to ensure the continuity of their representation in the body whose central role and over-all responsibilities are recognized, the Organization shall bear from 1978 onwards, for an experimental period and subject to review by the General Assembly at its thirtyfourth session, as a special exception to the basic principles set out in paragraph 2 of Assembly resolution 1798 (XVII) of 11 December 1962 concerning the payment out of United Nations funds of travel and subsistence expenses to members of organs and subsidiary organs of the United Nations, the travel (on the basis of economy class) and subsistence expenses ( at standard rates applicable to officials of the Secretariat plus 15 per cent) of one representative of each Member State on the Committee for Programme and Coordination.