The balance sheet items ( BSI ) key family refers to euro area harmonised balance sheet statistics reported by the monetary financial institution ( MFI ) sector to the European Central Bank ( ECB ) .
Bilansikirjete ( balance sheet items , BSI ) perekonda kasutatakse euroala ühtlustatud bilansistatistikas , mida rahaloomeasutuste sektor esitab Euroopa Keskpangale ( EKP ) .