Mich. Comp. Laws § 123.501
Any officer, board, commission, committee or department of the state, county, city, village, or township government authorized to receive bids for the construction, maintenance and/or repair of public works, except public buildings, may require that any person proposing to bid on any such work, submit a sworn statement at least 10 days before bids are opened on such standard form and in such detail and at such time as may be deemed necessary by said officer, board, commission, committee or department, setting forth his qualifications to satisfactorily carry out the work to be performed within the time specified for such performance. Said qualifications may be judged by said officer, board, commission, committee or department upon the basis of the proposed bidder's past performance on work of a similar nature, his financial resources and his construction equipment and facilities which he proposes to use on the work advertised for construction as disclosed by such sworn statement and any other available information and a determination made whether or not the proposed bidder is a suitable person to bid on the work. Any person determined not to be a suitable person to bid on any proposed work shall be notified in writing 5 days before bids are opened of such determination.
MCL 123.501