council decis june appoint deputi secretari gener council european union ec euratom council european union regard treati establish european commun articl thereof regard treati establish european atom energi commun articl thereof deputi secretari gener council european union appoint decid articl mr pierr de boissieu appoint deputi secretari gener council european union period year effect octob articl decis notifi mr pierr de boissieu presid council publish offici journal european union brussel june council presid ahern