Michigan Compiled Laws, Chapter 330. Mental Health Code § 330.1475a

Sec. 475a. (1) If an individual is hospitalized without a hearing after placement in an assisted outpatient treatment program, the individual has a right to object to the hospitalization. Upon transfer of the individual to the hospital, the hospital shall notify the individual of his or her right to object under this section.

(2) Upon receipt of an objection to a hospitalization under subsection (1), the court shall schedule a hearing for a determination that the individual requires hospitalization.