Tex. Elec. Code § 221.003
(a) The tribunal hearing an election contest shall attempt to ascertain whether the outcome of the contested election, as shown by the final canvass, is not the true outcome because:
(2) an election officer or other person officially involved in the administration of the election:
Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. Jan. 1, 1986.