Tex. Election Code § 62.013: UNAUTHORIZED POSTING OF SIGNS PROHIBITED.

(a) An election officer commits an offense if the officer knowingly posts at a polling place, including the area within 100 feet of an outside door through which a voter may enter the building in which the polling place is located, a sign, card, poster, or other similar material that:

(1) is not authorized or required by law; or

(2) is in a form or contains information that is not authorized or required by law.

(b) A person other than an election officer commits an offense if the person posts a sign, card, poster, or other similar material at a polling place, including the 100-foot area described by Subsection (a).

(c) An offense under this section is a Class C misdemeanor.

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