Compiled Laws, Chapter 750. Michigan Penal Code § 750.536a

Sec. 536a. (1) A person who obscures, defaces, alters, obliterates, removes, destroys, or otherwise conceals or disguises any registration, serial, or other identifying number embossed, engraved, carved, stamped, welded, or otherwise placed or situated in or upon goods or property held for sale in the ordinary course of business with the intent to render the goods or property unidentifiable shall be guilty of a misdemeanor.

(2) A person who is a dealer in or collector of any merchandise or personal property or the agent, employee, or representative of a dealer or collector and who possesses goods or property with the intent to sell the goods or property in the ordinary course of business knowing the registration, serial, or other identifying number has been obscured, defaced, altered, obliterated, removed, destroyed, or otherwise concealed or disguised shall be guilty of a misdemeanor.

(3) A person who is a dealer or collector of any merchandise or personal property or the agent, employee, or representative of a dealer or collector and who sells goods or property in the ordinary course of business knowing that the registration, serial, or other identifying number has been obscured, defaced, altered, obliterated, removed, destroyed, or otherwise concealed or disguised shall be guilty of a misdemeanor.