Mich. Comp. Laws § 445.1085

Sec. 5. (1) To receive a refund due on a leased wheelchair, a consumer shall offer to return the wheelchair having the nonconformity to the wheelchair lessor. (2) Not later than 30 business days after the offer described in subsection (1), the wheelchair lessor shall provide the refund to the consumer. (3) When the wheelchair lessor provides the refund, the consumer shall return to the wheelchair lessor the wheelchair having the nonconformity. (4) A wheelchair lessor shall offer to transfer possession of the wheelchair returned pursuant to subsection (3) to the manufacturer. Not later than 30 business days after that offer, the manufacturer shall provide the refund to the wheelchair lessor. When the manufacturer provides the refund, the wheelchair lessor shall provide to the manufacturer any endorsements necessary to transfer possession to the manufacturer.