decis board governor amend statut european invest bank respect adopt ecu bank unit account board governor european invest bank accord treati juli amend provis protocol bank statut board governor act unanim propos board director amend definit unit account method convert sum express unit account nation currenc vice versa regard decis decemb regard articl statut regard propos board director march unanim decid paragraph articl bank statut defin unit account amend read quot unit account defin ecu european commun quot method calcul bank unit account mention decis decemb revok decis effect januari decis prejudic decis board governor pursuant paragraph articl articl bank statut board governor chairman fitzgerald secretari greppi