council commiss decis april conclus agreement european commun govern canada applic competit law ec ecsc council european union commiss european commun regard treati establish european commun articl conjunct subparagraph articl thereof regard treati establish european coal steel commun articl thereof regard propos commiss regard opinion european parliament articl treati invok ow inclus text agreement merger acquisit cover council regul eec decemb control concentr undertak essenti base articl increasingli pronounc intern dimens competit problem intern cooper field strengthen end commiss negoti agreement govern canada applic competit rule european commun canada agreement includ exchang letter approv decid articl agreement european commun govern canada applic competit law includ exchang letter approv behalf european commun european coal steel commun text agreement exchang letter drawn danish german english spanish finnish french greek italian dutch portugues swedish languag attach decis articl presid council authoris design person empow sign agreement order bind european commun presid commiss authoris design person empow sign agreement order bind european coal steel commun luxembourg april council presid müller commiss presid santor oj oj correct version oj