It shall be the duty of the secretary of the Department of Public Safety and Corrections to:
(1) Define and set up a minimum basic juvenile probation and parole service to the courts and a minimum basic juvenile intake service to the district attorneys.
(2) Devise appropriate forms, develop policies and procedures, and to set up standards for the statewide services to be rendered to the courts and district attorneys upon request.
(3) Effect the purposes of this Chapter by long-range planning for the improvement of services rendered to the courts and district attorneys under the provisions thereof.