council decis septemb conclus addit protocol interim agreement trade trade relat matter european commun european coal steel commun european atom energi commun part republ slovenia part europ agreement european commun member state part republ slovenia part ec council european union regard treati establish european commun articl conjunct sentenc articl thereof regard propos commiss commiss negoti behalf commun addit protocol interim agreement trade trade relat matter europ agreement republ slovenia approv addit protocol decid articl addit protocol interim agreement trade trade relat matter european commun european coal steel commun european atom energi commun part republ slovenia part europ agreement establish associ european commun member state act framework european union part republ slovenia part approv behalf european commun text addit protocol attach decis articl presid council authoris design person empow sign addit protocol order bind commun presid council behalf commun give notif provid articl addit protocol brussel septemb council presid michalek