Furthermore, he established the idea of the nation's central bank as the Bank of Japan Act was promulgated in 1882, and in 1883, after the revision of the National Bank Act, he announced the policy of readjusting and abolishing the paper money issued by the national banks.
また、1882年に日本銀行条例を制定して中央銀行構想を確立し、翌1883年には国立銀行条例を改正して国立銀行発行紙幣を整理・廃止する方針を打ち出した。