Section 6-17-15 - Refunding bonds; convertibilityA. In addition to all other powers granted, any board of education or board of regents may issue bonds for the purpose of refunding, for not less than the principal amount of any bonds issued by it under Chapter 73, Article 29 NMSA 1953, or under any other law. The board may also issue bonds in part for the purpose of refunding the bonds and in part for the purpose of providing additional funds to acquire or construct any building, facility, improvement, alteration, addition or extension or any combination, including furnishings and equipment, for which bonds are authorized to be issued by the board. Except as provided in this section, the bonds shall mature, bear interest, have such details and be authorized and issued in the manner provided for the authorization and issuance of other bonds. Refunding bonds issued may carry forward for the benefit of the refunding bonds the security and sources of payment as were pledged to the payment of the bonds refunded, or may make changes in security and sources of payment deemed advisable by the board. There shall not be pledged to the payment of the bonds any source of revenue not authorized in Chapter 73, Article 29 NMSA 1953, to be pledged to the payment of bonds issued under that chapter. B. Any bonds issued for refunding purposes may be delivered in exchange for the outstanding bonds authorized to be refunded, or sold at public or private sale for not less than the par value of the bonds, or sold in part and exchanged in part. If sold, the proceeds shall be immediately applied to the retirement of the bonds to be refunded, or the proceeds, or the obligations in which they are invested as permitted by law, shall be placed in escrow to be held and applied to payment of the bonds to be refunded. 1953 Comp., § 73-29-14.1, enacted by Laws 1957, ch. 245, § 3; 1963, ch. 297, § 2.