Under the leadership of G.D Paton was established by the colonial administration to investigate banking practices in Nigeria. Prior to the inquiry, the banking industry was largely uncontrolled. The G.D Paton report, an offshoot of the inquiry became the cornerstone of the first banking legislation in the country: the banking ordinance of 1952. The ordinance was designed to prevent non viable banks from mushrooming, and to ensure orderly commercial banking. The Central Bank of Nigeria has blue color on its office building at different branches of Nigeria.