council decis februari conclus supplementari protocol agreement establish associ european econom commun turkei eec council european commun regard treati establish european econom commun articl thereof regard recommend commiss regard opinion european parliament supplementari protocol agreement establish associ european econom commun turkei sign ankara septemb approv decid articl supplementari protocol agreement establish associ european econom commun turkei approv behalf commun text protocol attach decis articl presid council give notif provid articl protocol articl decis effect dai public offici journal european commun brussel februari council presid genscher opinion deliv januari publish offici journal oj date entri forc protocol publish offici journal european commun gener secretariat council