(a) Except as provided by Section 594.045, a resident who is transferred to a state mental hospital and no longer requires treatment in a state mental hospital but requires treatment in a residential care facility shall be returned to the residential care facility from which the resident was transferred.
(b) The hospital administrator of the state mental hospital shall notify the director of the facility from which the resident was transferred that hospitalization in a state mental hospital is not necessary or appropriate for the resident. The director shall immediately provide for the return of the resident to the facility.