The issuing board may enter into contracts and agreements with any financial institution or institutions to serve as agent of the board of education through whom the public may subscribe to, purchase and redeem bonds, or for temporary borrowings when appropriate to meet redemptions pending reissue of additional bonds, and for such other purposes and services appropriate to the achievement of the object of this act and the management of the issue. Such contracts and agreements, if entered into prior to the granting of authorization to issue bonds under this act, shall be deemed to contain a provision that the same shall not take effect until authorization has been granted and certificate issued, nor until any changes required by any terms and conditions of the authorization have been made. Nothing herein, however, shall prevent the making of a contract or agreement for the receipt of subscriptions and deposits for the purchase of bonds, contingent upon authorization and certification, so long as the issuing board is not required to make any payment or other compensation for the service or cost thereof in the event that the approval is not granted or certificate is not issued. Any such advance subscriptions shall be on a written form expressly stating that if authorization is not granted or certificate not issued by a date therein specified, the deposit accompanying the subscription shall be refunded on demand without interest.
N.J.S. § 18A:24-69