Tex. Bus. & Com. Code § 304.102
On receiving oral or written notice from the recipient of a facsimile solicitation not to send any further facsimile transmissions to one or more specified telephone numbers, the person making the solicitation:
Added by Acts 2007, 80th Leg., R.S., Ch. 885 (H.B. 2278), Sec. 2.01, eff. April 1, 2009.