Sec. 4. Within the limits of appropriated funds, the division shall provide by written contract a continuum of care in the community for appropriate patients who are discharged or transferred under this chapter that does the following:
(1) Integrates services.
(2) Facilitates provision of appropriate services to patients.
(3) Ensures continuity of care, so that a patient is not discharged or transferred without adequate and appropriate community services.
(4) Provides services that:
(A) promote behavioral health; and
(B) prevent and treat mental illness and addiction.