Tex. Family Code § 107.0141

(a) The court may appoint an attorney ad litem to represent the interests of a parent for a limited period beginning at the time the court issues a temporary restraining order or attachment of the parent's child under Chapter 262 and ending on the court's determination of whether the parent is indigent before commencement of the full adversary hearing.

(b) An attorney ad litem appointed for a parent under this section:

(1) has the powers and duties of an attorney ad litem appointed under Section 107.0131; and

(2) if applicable, shall:

(A) conduct an investigation regarding the petitioner's due diligence in locating and serving citation on the parent; and

(B) interview any party or other person who may have information relating to the identity or location of the parent.

(c) If the attorney ad litem identifies and locates the parent, the attorney ad litem shall:

(1) inform the parent of the parent's right to be represented by an attorney and of the parent's right to an attorney ad litem appointed by the court, if the parent is indigent and appears in opposition to the suit;

(2) if the parent claims indigence and requests an attorney ad litem beyond the period of the temporary appointment under this section, assist the parent in making a claim of indigence for the appointment of an attorney ad litem; and

(3) assist the parent in preparing for the full adversary hearing under Subchapter C, Chapter 262.

(d) If the court determines the parent is indigent, the court may appoint the attorney ad litem to continue to represent the parent under Section 107.013(a)(1).

(e) If the attorney ad litem is unable to identify or locate the parent, the attorney ad litem shall submit to the court a written summary of the attorney ad litem's efforts to identify or locate the parent with a statement that the attorney ad litem was unable to identify or locate the parent. On receipt of the summary required by this subsection, the court shall discharge the attorney ad litem from the appointment.

(f) If the attorney ad litem identifies or locates the parent, and the court determines that the parent is not indigent, the court shall discharge the attorney ad litem from the appointment.