council decis februari conclus agreement form exchang letter european commun republ poland amend annex ivb interim agreement european coal steel commun european econom commun part republ poland part europ agreement european commun member state part republ poland part ec council european union regard treati establish european commun articl thereof regard propos commiss annex ivb interim agreement europ agreement conclud poland amend polish author request mean agreement form exchang letter decid articl agreement form exchang letter european commun republ poland amend annex ivb interim agreement european coal steel commun european econom commun part republ poland part europ agreement european commun member state part republ poland part approv behalf european commun text agreement declar commun attach decis articl presid council author design person empow sign agreement order bind commun brussel februari council presid pangalo