united nations system general business guide for potential suppliers of goods and services with common guidelines procurement by organizations in the un 20th edition september 2000 ii contents foreword 1 2 development programme undp 5 advance information on opportunities 7 origins requisitions 8 supply database uncsd 9 list activities locations contacts 10 secretariat 11 pd division 12 fald dpko department peace keeping operations 15 unog office at geneva 16 unon nairobi 19 unov vienna 23 unicef children s fund 26 unctad conference trade 30 unops project 31 34 iapso inter agency 35 unfpa population 37 unrwa relief works 41 unu university 45 wfp world food 48 eca economic commission africa 53 eclac latin america