Section 2
SEC. 2. The supervision and control conferred by the existing laws and heretofore exercised over the government of the provinces, municipalities, and other local political divisions of the Department of Mindanao and Sulu, the Mountain Province, and the Province of Nueva Vizcaya, shall hereafter be exercised by the Bureau of non-Christian Tribes, which shall operate under the immediate executive authority, direction, and supervision of the Department of the Interior.