Mich. Comp. Laws § 15.322: Public servant; soliciting, negotiating, renegotiating, approving, or representing a party to a contract with public entity prohibited.

Sec. 2.

Except as provided in sections 3 and 3a, a public servant shall not be a party, directly or indirectly, to any contract between himself or herself and the public entity of which he or she is an officer or employee.

Except as provided in section 3, a public servant shall not directly or indirectly solicit any contract between the public entity of which he or she is an officer or employee and any of the following:

Him or herself.

Any firm, meaning a co-partnership or other unincorporated association, of which he or she is a partner, member, or employee.

Any private corporation in which he or she is a stockholder owning more than 1% of the total outstanding stock of any class if the stock is not listed on a stock exchange, or stock with a present total market value in excess of $25,000.00 if the stock is listed on a stock exchange or of which he or she is a director, officer, or employee.

Any trust of which he or she is a beneficiary or trustee.

In regard to a contract described in subsection (2), a public servant shall not do either of the following:

Take any part in the negotiations for such a contract or the renegotiation or amendment of the contract, or in the approval of the contract.

Represent either party in the transaction.