Tex. Fam. Code § 6.710

The clerk of the court shall mail a notice of the signing of the final decree of dissolution of a marriage to the party who waived service of process under Section 6.4035 at the mailing address contained in the waiver or the office of the party's attorney of record. The notice must state that a copy of the decree is available at the office of the clerk of the court and include the physical address of that office.