(a) Upon the request of a public person who shall have issued or incurred obligations for the benefit of a board and for a purpose or purposes for which a board could issue warrants under this article, and upon compliance with the following terms and conditions, a board may undertake, pursuant to a contractual agreement with such public person, to pay such amounts to, or for the account of, such public person at such times and in such amounts as shall be sufficient to pay all, or such portion as such board and such public person shall determine, of the principal of, premium (if any), and interest on such obligations when and as due and payable.

(b) The obligations of a public person which a board is authorized to support by a contractual agreement under subsection (a) shall be in such denomination, mature at such time or times, bear interest at such rate, be subject to redemption, and contain such other terms, as are authorized or required for warrants issued by a board under this article.

(c) Any contractual agreement delivered by a board under this article shall be payable solely from, and secured by, the funds and revenues of such board described in this article which such board could apply to the payment of warrants issued by such board under this article.

(d) Prior to the delivery of any contractual agreement under this article, a board shall obtain the written approval of the State Superintendent for the terms thereof in the form and manner required by the State Superintendent therefor and such approval shall be essential to the validity and enforceability of such contractual agreement.