council decis june extend term offic secretari gener council european union ecsc ec euratom council european union regard treati establish european commun articl thereof regard treati establish european coal steel commun articl thereof regard treati establish european atom energi commun articl thereof regard council decis septemb appoint secretari gener council european commun regard council decis june march extend term offic secretari gener council european commun term offic secretari gener council european union expir june term offic extend decid articl term offic mr niel ersboel secretari gener council european union extend juli dai month council appoint successor articl abovement decis septemb amend contrari decis articl decis notifi mr ersboel presid council publish offici journal european commun brussel june council presid papantoni