opinion european central bank june request council european union pursuant articl treati establish european commun propos council regul amend regul ec introduct euro amend regul ec provis relat introduct euro amend regul ec convers rate euro currenc member state adopt euro con june european central bank ecb receiv request council european union ecb opinion propos commiss european commun final council regul amend regul ec introduct euro hereinaft refer quot regul quot amend regul ec provis relat introduct euro hereinaft refer quot regul ii quot amend regul ec convers rate euro currenc member state adopt euro hereinaft refer quot regul iii quot ecb compet deliv opinion base articl treati establish european commun hereinaft refer quot treati quot accord articl sentenc rule procedur ecb opinion adopt govern council ecb ecb take note draft council regul adopt council european union subject decis greec fulfil condit adopt singl currenc greec derog abrog effect januari order facilit decis ecb publish converg report pursuant articl treati view complementari natur draft council regul ecb welcom enter forc time januari ecb welcom propos regul regul ii intent ensur council regul form part legal framework euro predecessor ecb european monetari insititut consult council regul ec introduct euro council regul ec provis relat introduct euro fulli appli greec result amend articl council regul ec cross refer fourth indent articl council regul ec amend word quot sentenc quot replac word quot sentenc quot altern point solv inclus semicolon propos sentenc paragraph articl regul articl council regul ec stipul banknot coin denomin nation currenc unit retain statu legal tender territori limit dai entri forc council regul ec order consist situat member state adopt euro januari consid prefer reason legal clariti explicitli case greec banknot coin denomin nation currenc retain statu legal tender territori limit dai adopt euro greee decemb warrant amend abovement articl ecb welcom propos regul iii intent irrevoc fix convers rate euro greek drachma equal central rate greek drachma exchang rate mechan erm ii eur greek drachma ecb object adopt regul month advanc effect adopt euro greec part regul gener applic legal bind entireti ensur convers rate greek drachma convers rate currenc particip member state directli applic legal instrument refer currenc greec januari opinion publish offici journal european commun frankfurt main june presid ecb willem duisenberg oj oj oj