5 euro note used on the banknotes as a result of Bulgaria joining the European Union in 2007. Therefore, the new series of Euro banknotes will include "ЕВРО", which is the Bulgarian spelling for EURO as well as the abbreviation "ЕЦБ" (short for "Европейска централна банка" in Bulgarian). The European Central Bank will, in due time, announce when banknotes from the first series lose legal tender status. The five euro note is the smallest at with a grey colour scheme. All bank notes depict bridges, arches or doorways in a different historical European style; the five euro note shows the Classical era (up
Euro issued euro banknotes on a joint basis. Euro banknotes do not show which central bank issued them. Eurosystem NCBs are required to accept euro banknotes put into circulation by other Eurosystem members and these banknotes are not repatriated. The ECB issues 8% of the total value of banknotes issued by the Eurosystem. In practice, the ECB's banknotes are put into circulation by the NCBs, thereby incurring matching liabilities vis-à-vis the ECB. These liabilities carry interest at the main refinancing rate of the ECB. The other 92% of euro banknotes are issued by the NCBs in proportion to their respective shares