(a) The executive commissioner shall adopt, and the department shall enforce, rules that require continuity of services and planning for client care between department facilities and local intellectual and developmental disability authorities.
(b) At a minimum, the rules must require joint discharge planning between a department facility and a local intellectual and developmental disability authority before a facility discharges a client or places the client on an extended furlough with an intent to discharge.
(c) The local intellectual and developmental disability authority shall plan with the department facility and determine the appropriate community services for the client.
(d) The local intellectual and developmental disability authority shall arrange for the provision of the services if department funds are to be used and may subcontract with or make a referral to a local agency or entity.