(1) Whenever a board of trustees issues refunding bonds under the provisions of this part 6, sections 23-71-517 to 23-71-521 shall be applicable to said refunding bonds and the procedures therefor, in the same manner as prescribed for other district bonds; except that any such refunding bonds shall be payable from the same funds which are to be derived from the same source as would have been used to pay the original bonds if no refunding thereof had occurred.(2) After refunding bonds are issued pursuant to this part 6, the resolution authorizing the same and providing for the levy of taxes for the payment of interest upon and the principal of such refunding bonds shall not be altered or repealed until the refunding bonds so authorized have been fully paid.L. 75: Entire article added, p. 779, § 1, effective July 1. L. 86: (1) amended, p. 869, § 65, effective July 1.