Mich. Comp. Laws § 408.1114
The commissioner or the commissioner's designee shall administer and enforce this act and may investigate and ascertain wages of employees of an employer subject to this act. The commissioner or the commissioner's designee shall have the right to enter any project covered by this act during normal hours of operation of the project for the purposes of inspecting payroll records, interviewing employees, conducting wage surveys of employees, or all other actions reasonably related to the enforcement of this act. The contracting agency, contractor, or subcontractor shall provide to the commissioner or the commissioner's designee any records requested necessary to enforce this act, including certified payroll, fringe benefit information, or other information necessary to ensure compliance with this act.
MCL 408.1114