(a)(1) Warrants issued pursuant to this article may be in the denomination or denominations; shall have a maturity or maturities not exceeding 30 years from their date; may bear interest from their date at the rate or rates payable in the manner and at the times; may be payable at the place or places within or without the State of Alabama; may be sold for such price and in the manner as provided in this article; and may contain the terms not in conflict with the provisions of this article; all as the board may provide in the proceedings pursuant to which the warrants are authorized to be issued.

(2)(i) The board may provide that the warrants shall bear interest at a rate or rates fixed at the time of the issuance thereof.

(ii) With the prior, specific approval of the State Superintendent, given as provided in this article, the board may provide that the warrants shall bear interest at rates which may be changed from time to time during the term of the warrants in accordance with an objective procedure determined by the board at the time of the issuance of the warrants, or at a rate or rates which may change from time to time in connection with published interest rates or indices that reflect an objective response to market changes in interest rates by banks, governmental agencies, or other generally recognized public or private sources of information concerning interest rates.

(3)(i) A board may retain in the proceedings of such board authorizing the issuance of warrants under this article an option to redeem all or any part thereof as may be specified in such proceedings at such price or prices and after such notice or notices and on such terms and conditions as may be set forth in such proceedings and as may be briefly recited in the face of such warrants.

(ii) A board which may issue warrants having a stated maturity more than 10 years after the date thereof shall retain in the proceedings authorizing the issuance of such warrants an option to redeem at the expiration of the tenth year following the date of such warrants and on any date subsequent thereto all or any part of such warrants having stated maturities subsequent to the expiration of the tenth year after their date at such price or prices and after such notice or notices and on such terms and conditions as may be set forth in such proceedings and briefly recited in the face of such warrants.

(b) All warrants issued hereunder shall be executed in the name of the issuing board by the president of such board, shall be sealed with the seal of such board, and attested by the secretary of such board. All warrants issued hereunder bearing the signatures of officers in office on the date of the signing thereof shall be valid and binding obligations notwithstanding that before the delivery and payment thereof, such officers whose signatures appear thereon shall have ceased to be officers of such board.

(c) All warrants issued under the authority of this article shall be sold at public or private sale as the board may determine and at such price or prices as the board may deem advantageous.

(d)(1) The proceeds of warrants issued under this article shall be used solely for the purpose for which the warrants are authorized to be issued.

(2) The board may apply proceeds of warrants issued under this article to the payment of the costs of issuing and selling such warrants, including, without limitation, underwriters' commissions and discounts, printing costs, fees of rating services, fees and disbursements of attorneys, accountants, financial advisors, and other consultants, fees and disbursements of trustees and paying agents, and other incidental expenses, the costs of municipal bond insurance policies or standby letters of credit or similar instruments or credit facilities which provide for payment of the principal of, premium (if any) on, and interest on, such warrants when due and payable.

(3) Any proceeds of refunding warrants issued under this article, together with investment income therefrom, and moneys in any sinking fund for the refundable debt to be refunded, together with investment income therefrom, may be deposited in trust, on such terms as the board shall approve, with one or more trustees or escrow agents, which trustees or escrow agents shall be trust companies or national or state banks having trust powers within or without the State of Alabama. The proceeds of refunding warrants, together with the investment income therefrom, shall be available for the payment of all or any part of the principal of and the interest on any of the refunding warrants or for the payment of all or any part of the principal of and the interest and redemption premium, if any, on the refundable debt to be refunded, as the board, in its discretion, shall prescribe. Proceeds of refunding warrants shall be so invested and applied as to assure that the principal of and the interest and redemption premium, if any, on the refundable debt to be refunded shall be paid in full on the respective due dates of such principal, interest, and premium.

(e) The proceeds of warrants issued under this article may be invested in any debt obligation or other investment in which a county or municipality in the State of Alabama is authorized to invest public funds at the time of investment by a board.