Tex. Election Code § 33.005: APPOINTMENT FOR ELECTION ON MEASURE.

(a) In an election on a measure, watchers may be appointed by the campaign treasurer or an assistant campaign treasurer of a specific-purpose political committee that supports or opposes the measure.

(b) This section does not apply to a referendum measure submitted at a primary election.

Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. Jan. 1, 1986.