Mich. Comp. Laws § 451.2503: Civil action or administrative proceeding; burden of proof.

Sec. 503.

(1) In a civil action or administrative proceeding under this act, a person claiming an exemption, exception, preemption, or exclusion has the burden to prove the applicability of the exemption, exception, preemption, or exclusion.

(2) In a criminal proceeding under this act, a person claiming an exemption, exception, preemption, or exclusion has the burden of going forward with evidence of the claim.