Mich. Comp. Laws § 484.3311: Confidentiality.

Sec. 11.

(1) Except under the terms of a mandatory protective order, trade secrets and commercial or financial information submitted under this act to the franchising entity or commission are exempt from the freedom of information act, 1976 PA 442, MCL 15.231 to 15.246.

(2) If information is disclosed under a mandatory protective order, then the franchising entity or commission may use the information for the purpose for which it is required, but the information shall remain confidential.

(3) There is a rebuttable presumption that costs studies, customer usage data, marketing studies and plans, and contracts are trade secrets or commercial or financial information protected under subsection (1). The burden of removing the presumption under this subsection is with the party seeking to have the information disclosed.