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

Sec. 498i. The parent or guardian of a minor shall be notified immediately of the admission of a minor to a hospital in any case where the parent or guardian of the minor did not execute the application for hospitalization. The notice shall be in the form most likely to reach the person being notified in an expeditious manner, and shall inform the person of the right to participate in any proceedings under this act.