(1) An initial order for treatment under section 1003c shall be for a period not to exceed 90 days.

    (2) If, before the expiration of the initial 90-day order, the treating psychiatrist or psychologist believes that a prisoner continues to be mentally ill or developmentally disabled and requires mental health services, the treating psychiatrist or psychologist, not less than 14 days before the expiration of the order, shall file with the director of the corrections mental health program or the director’s designee a report of the determination that the prisoner continues to require those services. Upon receipt of the report under this subsection and proof of notice to the prisoner of an opportunity for a hearing, and following a hearing, if requested by the prisoner, a hearing committee appointed under section 1003c may authorize continued care in the corrections mental health program for an additional period not to exceed 90 days.

    (3) If, before the expiration of the second 90-day order, the treating psychiatrist or psychologist believes that the prisoner continues to be mentally ill or developmentally disabled and requires mental health services, the treating psychiatrist or psychologist, not less than 14 days before the expiration of the order, shall file with the director of the corrections mental health program or the director’s designee a report of the determination that the prisoner continues to require those services. Upon receipt of the report under this subsection and proof of notice to the prisoner of an opportunity for a hearing, and following a hearing, if requested by the prisoner, the hearing committee may authorize continued care in the corrections mental health program for an additional period not to exceed 180 days. Upon completion of the order for continuing admission to the corrections mental health program, if the treating psychiatrist or psychologist believes that the prisoner continues to be mentally ill or developmentally disabled and requires mental health services, the treating psychiatrist or psychologist shall request an initial order of admission under section 1003c.

    (4) A report of a determination under subsection (2) or (3) shall be accompanied by a certificate executed by the psychiatrist or psychologist and shall contain a statement setting forth all of the following:

    (a) The reasons for the treating psychiatrist’s or psychologist’s determination that the prisoner continues to be mentally ill or developmentally disabled and requires mental health services.

    (b) A statement describing the treatment program provided to the prisoner.

    (c) The results of the course of treatment.

    (d) A clinical estimate as to the time further treatment will be required.

    (5) If at any hearing held under this section the hearing committee appointed under section 1003c finds that the prisoner is not mentally ill or developmentally disabled, the hearing committee shall enter a finding to that effect and the prisoner shall be placed according to normal procedures of the department of corrections.