Section 31-15-9 - Bonds and notes issued pursuant to this article(a) The authority may issue its bonds or notes to fulfill the purposes set forth in this article.(b) The authority may issue renewal notes to pay notes and, if it considers refunding expedient, may refund or refund in advance, bonds or notes, whether or not originally issued by the authority, by the issuance of new bonds or notes.(c) Except as may otherwise be expressly provided by the authority, every issue of its notes or bonds shall be special obligations of the authority, payable solely from the property, revenues or other sources of or available to the authority pledged therefor.(d) The bonds and the notes shall be authorized by the authority pursuant to section ten of this article, and shall be secured, be in such denominations, may bear interest at such rate or rates, be in such form, either coupon or registered, carry such registration privileges, be payable in such medium of payment and at such place or places and such time or times and be subject to such terms of redemption as the authority may authorize. The bonds and notes of the authority may be sold by the authority, at public or private sale, at or not less than the price the authority determines. The bonds and notes shall be executed by manual or facsimile signature by the chairman of the board, and the official seal of the authority or a facsimile thereof shall be affixed to or printed on each bond and note and attested, manually or by facsimile signature, by the secretary of the board, and any coupons attached to any bond or note shall bear the manual or facsimile signature of the chairman of the board. In case any officer whose signature, or a facsimile of whose signature, appears on any bonds, notes or coupons ceases to be such officer before delivery of such bonds or notes, such signature or facsimile is nevertheless sufficient for all purposes the same as if he had remained in office until such delivery; and, in case the seal of the authority has been changed after a facsimile has been imprinted on such bonds or notes, such facsimile seal will continue to be sufficient for all purposes.