(a) At any time after the execution of a premium finance agreement, but not later than 1 year after the last payment, the premium finance company holding the premium finance agreement shall, upon written request of the insured, give or mail to him a written statement of the dates and amounts of payments and the total amount, if any, unpaid. A statement shall be supplied once each year without charge; if any additional statement is requested, the premium finance company shall supply the statement at a charge not exceeding $5 for each additional statement so supplied. An insured shall be given a receipt for payment when made in cash.
(b) After the payment of all sums for which an insured is obligated under a premium finance agreement, and upon his written demand, the premium finance company holding the agreement shall deliver, or mail to the insured at his last known address, such one or more good and sufficient instruments as may be necessary to acknowledge payment in full and to release all interest in or rights to the insurance contracts, the premiums for which were advanced or are to be advanced under the agreement.