Mich. Comp. Laws § 257.2143: Payments for transportation.

Sec. 43.

(1) A transportation network company driver shall not solicit or accept cash payments from transportation network company riders for transportation network company prearranged rides.

(2) A payment for a transportation network company prearranged ride shall only be made electronically using a transportation network company's digital network.

(3) A transportation network company shall adopt a policy prohibiting a transportation network company driver from soliciting or accepting cash payments from transportation network company riders, and shall notify transportation network company drivers using its digital platform of the policy required by this subsection.