(a) The purpose of this subchapter is to:(1) provide requirements on admission, discharge, and continuity of care; and(2) address the interrelated roles and responsibilities of state hospitals, facilities with contracted psychiatric beds (CPBs), local mental health authorities (LMHAs), local behavioral health authorities (LBHAs), and local intellectual and developmental disability authorities (LIDDAs) in the delivery of mental health and co-occurring substance use disorder (SUD) services to individuals. (b) This subchapter establishes criteria for individuals receiving mental health services and SUD services and provides guidelines related to: (1) clinically appropriate placement in an inpatient, residential, or community setting based on screening and assessment of the individual; (2) timely access to evaluation and mental health, SUD, and other services in the least restrictive and most appropriate setting; and (3) transitioning care between service types and providers for individuals receiving mental health or SUD services at state hospitals, CPBs, LMHAs, LBHAs, and LIDDAS, effectively and without interruption.