Tex. Fin. Code § 349.003
(a) Except as provided by this subtitle, a person who fails to perform a requirement specifically imposed on the person by this subtitle or who commits an act prohibited by this subtitle is liable to the obligor for an amount that does not exceed an amount computed under one, but not both, of the following:
(2) if the violation was material and the violation induced the obligor to enter into a transaction that the obligor would not have entered if the violation had not occurred, twice the interest or time price differential contracted for, charged, or received, not to exceed:
Acts 1997, 75th Leg., ch. 1008, Sec. 1, eff. Sept. 1, 1997.