Mich. Comp. Laws § 445.435

Sec. 15. (1) Except as provided in subsection (2), a person that violates this act knowing or having reason to know that the person is violating this act is responsible for a state civil infraction and may be ordered to pay a civil fine of not more than $5,000.00. (2) A scrap metal dealer that knowingly violates section 6(4) is responsible for a state civil infraction and shall pay a civil fine of $500.00 for the first violation, $1,000.00 for a second violation, and $5,000.00 for a third or subsequent violation.