Community Residential Rehabilitation Services (CRRS)for children are specifically designed and operated to assist persons under the age of 18 with serious emotional disturbances to live as independently as possible in a family setting. While in the CRRS program, the young person will receive treatment for the serious emotional disturbance along with training and assistance in the skills for community living. CRRS are defined, regulated and operated to implement the principle of least restrictive service alternative. An individual shall be served by CRRS when it is medically necessary. A discharge plan is developed from the point of admission to be implemented when the individual no longer meets medical necessity for the CRRS. CRRS have an obligation to work cooperatively with other service agencies and with local coordinating and planning groups toward the development and operation of a comprehensive service system which can meet the needs of children with serious emotional disturbances in a continuous, t