Mich. Comp. Laws § 339.2512f

Sec. 2512f. (1) A real estate broker or associate real estate broker shall supervise the work of a real estate salesperson. For purposes of this subsection, supervision of a real estate salesperson includes at least all of the following: (a) Direct communication in person or by radio, telephone, or electronic communication, on a regular basis. (b) Review of the practice of the salesperson. (c) Review of the salesperson's reports. (d) Analyses and guidance of the salesperson's performance in regulated activities. (e) Providing written operating policies and procedures to the salesperson. (2) A real estate broker shall not contract with an individual real estate salesperson or nonprincipal associate real estate broker who is employed by the real estate broker in a manner that limits the broker's authority to supervise the salesperson under subsection (1).