Michigan Compiled Laws, Chapter 330. Mental Health Code § 330.1498m

Sec. 498m. (1) An objection to the hospitalization of a minor may be made to the court by any of the following persons:

(2) An objection made to the court pursuant to subsection (1) shall be made in writing not more than 30 days after the admission of a minor to a hospital, and may be made subsequently within not more than 30 days after the receipt of the periodic review of the minor's suitability for continued hospitalization as provided for in section 498l.  3 The objection shall state the basis on which it is being raised.

(3) If a minor who has been hospitalized for not less than 7 days pursuant to this chapter informs a hospital employee of the minor's desire to object to hospitalization, the hospital employee or a person designated by the hospital shall assist the minor in properly submitting an objection to hospitalization pursuant to this section. An employee of the hospital shall not interfere with or fail to act upon a minor's objection to hospitalization. A person who violates this subsection is guilty of a misdemeanor.