Purpose of this study is to clarify the formation process of Article 26 of the Construction Business Law: System of Chief Engineer for Construction. Conclusion of this study is as follows: 1. Sixteen prefectures are known having ordinance to control contractors before WWII. Osaka was the first prefecture which had it enacted 1895, but in many other prefectures, it was mainly after the Urban Building Law, enacted 1920. 2. Some in both civilians and officials of Building Administration needed enactment of the system of construction engineer, but it was not. 3. Character of the system was tentatively incorporated in the system of Kenchikushi in the draft of the Building Law by the War Damage Reconstruction Institute 1947. 4. System of Chief Engineer for Construction in the Construction Business Law, enacted 1949, was expected to be reformed through examination work of the character of the system of Kenchikushi in the Kenchikushi Law for Architects & Building Engineers. 5. Finally, it was determined to separate the system of construction engineer from the system of Kenchikushi. These two systems have been individually developed.
