If the cost of insurance is included in the retail installment contract or retail charge agreement and a separate charge is made to the buyer for the insurance,

(1) the contract or agreement must state the nature, purpose, and amount of the insurance, and in connection with the sale of a motor vehicle, the contract must state that the insurance coverage ordered under the terms of this contract does or does not include “bodily injury liability,” “public liability,” and “property damage liability” coverage, as applicable;

(2) the contract or agreement must state whether the insurance is to be procured by the buyer or the seller;

(3) the amount included for the insurance may not exceed the premiums chargeable in accordance with the rate fixed for the insurance by the insurer except where the amount is less than $1; and if the insurance is cancelled or terminated for any reason, the refund for unearned insurance premiums received by the seller or an assignee of the seller, together with the unearned portion of the service charge applicable to the insurance, shall be credited to the final maturing installments of the retail installment contract or retail charge agreement, and the remaining balance of the unearned insurance premiums shall be refunded to the buyer; however, no cash refund is required if the amount is less than $1;

(4) if the insurance is to be procured by the seller or holder, the seller or holder shall, within 45 days after delivery of the goods or furnishing of the services under the contract, deliver, mail, or cause to be mailed to the buyer at the address as specified in the contract a notice that the insurance is procured, a copy of the policy or policies of insurance, or a certificate of the insurance so procured.