Michigan Compiled Laws, Chapter 257. Motor Vehicles § 257.248g

(a) Purchase or acquire salvage vehicles only for the dealer indicated upon his or her agent's license. A salvage vehicle agent shall not be an agent for more than 1 licensed dealer at a given time.

(b) Prominently display his or her agent's license on his or her person at all times when he or she is present at a place where salvage vehicles are purchased, sold, or offered for sale.

(c) Upon demand, immediately display his or her agent's license to a peace officer or an authorized representative of the secretary of state.

(d) Immediately contact the dealer if there is any factual or material change in the information stated in his or her agent's license or license application.

(e) Upon the cancellation, cessation, or transfer of his or her employment, immediately surrender his or her license to the dealer who shall mail the license to the secretary of state for cancellation.