Mich. Comp. Laws § 492.151
Installment sale contract; prepayment of time balance prior to insurance coverage expiration; notice to insurer; payment of unearned insurance premiums.
When the seller or subsequent holder has placed, at the expense of the buyer, insurance on a motor vehicle sold under an installment sale contract and the buyer prepays the time balance under the contract prior to the expiration date of the insurance, the seller or subsequent holder shall give or forward to the insurer…