§ 571. Delivery of copy of premium finance agreement. Before the due date of the first instalment payable under a premium finance agreement, the insurance agent or broker or the premium finance agency holding the agreement shall deliver to the insured, or mail to him at his address as shown in the agreement, a copy thereof or, if the agreement contained any blank space when it was signed by the insured and such blank space was subsequently filled in in accordance with subdivision four of section five hundred sixty-seven, a copy of the agreement, as so filled in.