(a) The board may provide by resolution for the issuance of refunding bonds for the purpose of refunding any bonds issued under the provisions of this chapter and then outstanding, together with accrued interest on them.
(b) The issuance of the refunding bonds, the maturities, and all other details of the bonds, the rights of the holders, and the duties of the board with respect to the bonds, shall be governed by the applicable provisions of § 52.11 of this code.

(c) The refunding bonds may be exchanged for the outstanding bonds or may be sold and the proceeds used to retire the outstanding bonds.