Mich. Comp. Laws § 339.502: Investigation; correspondence file; acknowledgment of complaint; complaint made by department.

Sec. 502.

The department, upon receipt of a complaint, immediately shall begin its investigation of the allegations of the complaint and shall open a correspondence file. The department shall make a written acknowledgment of the complaint within 15 days after receipt of the complaint to the person making the complaint. If the complaint is made by the department, the director shall designate 1 or more employees of the department to act as the person making the complaint.