Sec. 64.006.  MARKING THE BALLOT FOR MEASURE.  A vote on a particular measure must be indicated by placing an "X" or other mark that clearly shows the voter's intent in the appropriate square that is beside the proposition and that indicates the way the voter desires to vote on the measure.
Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. Jan. 1, 1986.