council decis novemb denounc cooper agreement european econom commun socialist feder republ yugoslavia eec council european commun regard treati establish european econom commun articl thereof regard propos commiss regard assent european parliament provis articl cooper agreement european econom commun socialist feder republ yugoslavia contract parti denounc agreement notifi contract parti situat prevail yugoslavia longer permit abovement agreement relat instrument upheld decid articl cooper agreement european econom commun socialist feder republ yugoslavia relat protocol instrument denounc articl decis publish offici journal european commun notifi presid council socialist feder republ yugoslavia effect dai public brussel novemb council presid ritzen assent deliv novemb publish offici journal oj