Mich. Comp. Laws § 397.561a

Sec. 11a. A library may charge nonresident borrowing fees to a person residing outside of the library's service area, including a person residing within the cooperative library's service area to which that library is assigned, if the fee does not exceed the costs incurred by the library in making borrowing privileges available to nonresidents including, but not limited to, the costs, direct and indirect, of issuing a library card, facilitating the return of loaned materials, and the attendant cost of administration.