Sec. 4. (a) A county may establish a child caring institution. The child caring institution may be operated by:
(1) the county; or
(2) a public or private agency under contract with the county;
and must be operated under the rules adopted by the director under this article.
(b) This section does not affect the following:
(1) IC 31-31-1-1 or IC 31-40, requiring the county fiscal body to appropriate sufficient money to pay for services ordered by the juvenile court.
(2) IC 31-31-8, authorizing the juvenile court to establish detention and shelter care facilities.
(3) IC 12-13-5 and IC 12-19-1, requiring the division of family resources, the office, and the county departments to provide care and treatment for delinquent children and children in need of services.