Sec. 51.452.  ELECTION.  (a)  If the district proposes to issue bonds which will be secured under either Section 51.450(b)(2) or 51.450(b)(3) of this code, the proposition shall be presented at an election held under Section 51.413 of this code.
(b)  The ballots for the election shall be printed to provide for voting for or against one of the following propositions:
(1)  "The issuance of bonds and the pledge of net revenue for the payment of the bonds.";
(2)  "The issuance of bonds, the pledge of net revenue, and the creation of a lien on physical property to secure payment of the bonds.";  or
(3)  "The issuance of bonds, the pledge of net revenue, and the levy of adequate taxes to pay the bonds."
Acts 1971, 62nd Leg., p. 348, ch. 58, Sec. 1, eff. Aug. 30, 1971.