Tex. Fin. Code § 345.110
(a) Any retail buyer's acknowledgment of delivery of a copy of a retail charge agreement that is contained in the body of the agreement must:
(b) A retail buyer's acknowledgment, conforming to this section, of delivery of a copy of the agreement is, in an action or proceeding, presumptive proof that:
Acts 1997, 75th Leg., ch. 1008, Sec. 1, eff. Sept. 1, 1997.