The purposes of this subchapter are—

(1) to provide for more effective management of, and accountability for the proper discharge of, the Secretary's trust responsibilities to Indian tribes and individual Indians by establishing in the Department of the Interior an Office of Special Trustee for American Indians to oversee and coordinate reforms within the Department of practices relating to the management and discharge of such responsibilities;

(2) to ensure that reform of such practices in the Department is carried out in a unified manner and that reforms of the policies, practices, procedures and systems of the Bureau, Minerals Management Service, and Bureau of Land Management, which carry out such trust responsibilities, are effective, consistent, and integrated; and

(3) to ensure the implementation of all reforms necessary for the proper discharge of the Secretary's trust responsibilities to Indian tribes and individual Indians.