Mich. Comp. Laws § 482.50: Bills; issuance of non-negotiable bill not so marked, penalty.

Sec. 50.

Any person who with intent to defraud issues or aids in issuing a non-negotiable bill without the words “not negotiable” placed plainly upon the face thereof, shall be guilty of a crime, and upon conviction shall be punished for each offense by imprisonment not exceeding 5 years, or by a fine not exceeding 5,000 dollars, or by both.