Mich. Comp. Laws § 442.215

Sec. 5. No person shall advertise or otherwise to represent, for sale, or sell, any goods as a bankruptcy, executor's, administrator's, receiver's, or trustee's sales, except pursuant to, and in compliance with, federal or state statutory authority or judicial process, or as an assignee's or insolvent sale except where there is a bona fide assignment for the benefit of creditors.