Texas Family Code - FAM § 160.309. Procedure for Challenge

(a) Each signatory to an acknowledgment of paternity and any related denial of paternity must be made a party to a proceeding to challenge the acknowledgment or denial of paternity.

(b) For purposes of a challenge to an acknowledgment of paternity or denial of paternity, a signatory submits to the personal jurisdiction of this state by signing the acknowledgment or denial. The jurisdiction is effective on the filing of the document with the vital statistics unit.

(c) Except for good cause shown, while a proceeding is pending to challenge an acknowledgment of paternity or a denial of paternity, the court may not suspend the legal responsibilities of a signatory arising from the acknowledgment, including the duty to pay child support.

(d) A proceeding to challenge an acknowledgment of paternity or a denial of paternity shall be conducted in the same manner as a proceeding to adjudicate parentage under Subchapter G. 1

(e) At the conclusion of a proceeding to challenge an acknowledgment of paternity or a denial of paternity, the court shall order the vital statistics unit to amend the birth record of the child, if appropriate.