Sec. 91.059.  CONSTITUTIONALITY.  If the provisions of Section 91.058 of this code or any part of that section are held to be invalid or unconstitutional by the courts, the remaining portions of this subchapter shall become ineffective and inoperative.
Acts 1977, 65th Leg., p. 2563, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977.