But they ran into financial difficulty due to the lack of gold coins, and since the regulation of national bank was forced to be amended to permit issuance of inconvertible currency, the number of banks increased abruptly and new Kokuritsu Ginko Shihei (inconvertible currency) was issued.
しかし金貨の不足から経営不振に陥り、やむなく国立銀行条例を改正し不換紙幣の発行が認められるようになってからは銀行の数が急増し、新たな国立銀行紙幣（不換紙幣）が発行された。