Konferencen om internationalt økonomisk samarbejde påbegyndte officielt sit arbejde på ministerplan i december 1975, idet der afholdtes møde med delegerede fra 27 lande, heraf 19 u-lande; arbejdet afsluttedes natten mellem den 2.-3.6.77.
The CIEC officially commenced its work at ministerial level in December 1975 at a meeting attended by delegates from 27 countries, including 19 developing countries; it brought its work to a conclusion in the night of 2 and 3 June 1977.