Nihon Ginkō Chōsakyoku (1961). Financial Chronology of Japan. Bank of Japan, Economic Research Department. p. 43. Nov . 1 Bank notes in small denominations issued ( 10 sen and 5 sen )
"小額通貨の整理及び支払金の端数計算に関する法律" [A law of the abolition of currencies in a small denomination and rounding off a fraction, July 15, 1953 Law No.60]. www.shugiin.go.jp. Archived from the original on June 28, 2002. Retrieved December 5, 2016.
web.archive.org
"小額通貨の整理及び支払金の端数計算に関する法律" [A law of the abolition of currencies in a small denomination and rounding off a fraction, July 15, 1953 Law No.60]. www.shugiin.go.jp. Archived from the original on June 28, 2002. Retrieved December 5, 2016.