Sec. 91.062.  APPLICABILITY OF CERTAIN PROVISIONS.  None of the provisions of Sections 91.058 through 91.061 of this code affect or apply to purchases or sales made on any basis other than a volume basis.
Acts 1977, 65th Leg., p. 2563, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977.