opinion european central bank decemb request presid council european union propos amend articl statut european system central bank european central bank con decemb european central bank ecb receiv request presid council european union opinion propos amend articl statut european system central bank european central bank hereinaft refer quot statut quot ecb compet deliv opinion base articl treati european union propos submit intergovernment confer purpos determin amend made treati european union found intend introduc institut monetari area accord sentenc articl rule procedur european central bank opinion adopt govern council ecb propos intend enabl council european union meet composit head state govern act unanim amend futur simplifi procedur conven full scale intergovernment confer provis statut gener vote rule govern council ecb ecb take note propos forese ecb commiss initi commenc simplifi procedur order amend abovement articl statut amend chang core institut provis ecb ecb emphasis core constitut principl govern monetari polici ecb quot member vote quot ecb welcom intent chang core constitut principl regard member vote right propos amend procedur ecb consid essenti record specif declar member state annex treati establish european commun ecb understand vote rule foreseen articl statut remain unchang advis record understand abovement declar member state annex treati establish european commun order avoid possibl amend simplifi procedur ecb recommend insert propos text end articl statut articl insert end articl ecb propos insert word propos quot recommend ecb refer articl made accord articl statut quot addit ecb propos replac sentenc propos word quot council recommend amend adopt member state amend enter forc ratifi member state accord respect constitut requir quot opinion publish offici journal european commun frankfurt main decemb presid ecb willem duisenberg