(1) A prisoner admitted to the corrections mental health program according to section 1003a or section 1003b shall be discharged from the program when 1 or both of the following occur:

    (a) The prisoner ceases to require mental health services.

    (b) The prisoner is paroled or discharged from prison.

    (2) If a prisoner is to be discharged from the corrections mental health program before the expiration of the prisoner’s criminal sentence, the director of the corrections mental health program shall first notify the department of corrections of the pending discharge, and shall transmit a full report on the condition of the prisoner to the department of corrections.

    (3) If the prisoner is paroled or discharged from prison, and the corrections mental health program considers the prisoner to be a person requiring treatment, as defined in section 401, or a person who meets the criteria for judicial admission, as prescribed in section 515, the director of the corrections mental health program at least 14 days before the parole date or the date of discharge shall file a petition under section 434 or section 516 asserting that the prisoner is a person requiring treatment or that the prisoner meets the criteria for judicial admission. The petition shall be filed with the probate court of the prisoner’s county of residence.

    (4) The department of community health is responsible for assuring that needed aftercare reintegration and community-based mental health services are offered to mentally ill and developmentally disabled persons who are leaving prison, upon referral by the department of corrections. Upon request from the department of corrections, community-based mental health services shall be provided by the department of community health throughout the parole period.