Sec. 55.497.  NECESSARY VOTE.  (a)  In a district operating under the authority of Article III, Section 52, of the Texas Constitution, a two-thirds vote of persons voting in the election is required to adopt a proposition to issue bonds or to enter into a contract with the United States.
(b)  In a district operating under the authority of Article XVI, Section 59, of the Texas Constitution, a majority vote of persons voting in the election is required to adopt a proposition to issue bonds or to enter into a contract with the United States.
Acts 1971, 62nd Leg., p. 465, ch. 58, Sec. 1, eff. Aug. 30, 1971.