Validity of hospitalization orders entered before September 1, 1978, §37-3-3. Defined, §37-3-1. Designation of, §37-3-80. Discharge decisions. Designation of physician, §37-3-85. Notice of discharge or transfer to voluntary status, §37-3-85. Disposition of patient upon hearing, §37-3-81.1. Final disposition, §37-3-81.