Tex. Tax Code § 111.252 — NOTICE TO TAXPAYER

(a) No assignment under Section 111.251 of this code may be made until after the expiration of 30 days after notice of the assignments is given to the taxpayer from whom the tax is due or against whom the judgment is taken. (b) Notice of the assignment must be sent by certified mail to the taxpayer at his last known address as shown in the comptroller's records. Acts 1981, 67th Leg., p. 1510, ch. 389, Sec. 1, eff. Jan. 1, 1982.