Mich. Comp. Laws § 257.1843

Sec. 43. The department of state police shall inspect a new school bus before a school accepts delivery. The department of state police shall determine whether the new vehicle is acceptable for delivery. The department of state police may delegate the inspection of new school buses to publicly employed inspectors if the inspection complies with this subsection. A school shall not accept delivery of a new school bus unless the new vehicle has been inspected and passed by the department of state police under this subsection and title to the school bus has been obtained by the school in compliance with this act.