Tex. Civ. Practice & Remedies Code Section 80.002
Trespass

A trespass occurs when an individual:

(1)

erects or places a sign on premises without the permission of the owner of the premises; or

(2)

after the expiration or termination of an agreement with the owner of the premises for the erection, placement, or maintenance of a sign on the premises and before the expiration of the period described by Section 80.003 (Damages)(b)(2), fails to remove or abandons a sign or fails to obtain from the owner of the premises permission for the continued use or maintenance of the sign on the premises.

Added by Acts 1989, 71st Leg., ch. 2, Sec. 4.04(a), eff. Aug. 28, 1989. Amended by Acts 1999, 76th Leg., ch. 440, Sec. 1, eff. Sept. 1, 1999.