Michigan Compiled Laws, Chapter 600. Revised Judicature Act of 1961 § 600.8407

Sec. 8407. (1) A claim shall not be filed or prosecuted in the small claims division by an assignee of a claim or by a third party beneficiary under a third party beneficiary contract.

(2) Within a district court district a person shall not file more than the following number of claims in the small claims division in 1 week:

(3) A person shall not file a claim on behalf of a sole proprietorship or a partnership unless that person is the proprietor, a partner in the plaintiff partnership, or a full-time salaried employee of the plaintiff having knowledge of the facts surrounding the complaint. A person shall not file a claim on behalf of a corporation unless that person is a full-time, salaried employee having knowledge of the facts surrounding the complaint. A person shall not file a claim on behalf of a county, city, village, township, or local or intermediate school district unless that person is an elected or appointed officer or an employee of the county, city, village, township, or local or intermediate school district who has knowledge of the facts surrounding the complaint and who is authorized by the governing body of the county, city, village, township, or local or intermediate school district to file the claim.