 The original building was square in plan with the banking hall situated immediately behind the porticoed main front.Tatsuno not only designed the Tokyo Head Office of the Bank of Japan, but was also responsible for designing the Bank of Japan's branch offices in Osaka, Kyoto, Nagoya, Kanazawa, Hakodate and Hiroshima.Almost two thirds of the 140 buildings that Tatsuno was associated with in his career were to be bank buildings.