council decis octob agreement european econom commun argentin republ conclus negoti articl xxiv gener agreement tariff trade gatt eec council european commun regard treati establish european econom commun articl thereof regard recommend commiss enlarg commun includ spain portug negoti place argentina articl xxiv gatt attempt find solut trade disput exist commun argentina negoti culmin agreement subject confirm commun interest approv decid articl agreement european econom commun argentin republ conclus negoti articl xxiv gatt approv behalf commun text agreement attach decis articl presid council author design person empow sign agreement order make bind commun luxembourg octob council presid ellemann jensen