Tex. Bus. & Com. Code § 621.109
An offeror may not notify a person that the person has won a prize, will receive a prize, or has a chance to win or receive a prize if the receipt of the prize is conditioned on the person purchasing a good or service unrelated to the prize.
Added by Acts 2007, 80th Leg., R.S., Ch. 885 (H.B. 2278), Sec. 2.01, eff. April 1, 2009.