K.S.A. 59-2950

The head of a treatment facility shall discharge any voluntary patient whose treatment in the facility is determined by the head of the treatment facility to have reached maximum benefit. Prior to the discharge, the head of the treatment facility shall give written notice of the date and time of the discharge to the patient and, if appropriate, to the patient's parent, legal guardian or other person known to the head of the treatment facility to be interested in the care and welfare of a minor patient.