Tex. Family Code § 107.015

(a) An attorney appointed under this chapter to serve as an attorney ad litem for a child, an attorney in the dual role, or an attorney ad litem for a parent is entitled to reasonable fees and expenses in the amount set by the court to be paid by the parents of the child unless the parents are indigent.

(b) If the court determines that one or more of the parties are able to defray the fees and expenses of an attorney ad litem or guardian ad litem for the child as determined by the reasonable and customary fees for similar services in the county of jurisdiction, the fees and expenses may be ordered paid by one or more of those parties, or the court may order one or more of those parties, prior to final hearing, to pay the sums into the registry of the court or into an account authorized by the court for the use and benefit of the payee on order of the court. The sums may be taxed as costs to be assessed against one or more of the parties.

(c) If indigency of the parents is shown, an attorney ad litem appointed to represent a child or parent in a suit filed by a governmental entity shall be paid from the general funds of the county according to the fee schedule that applies to an attorney appointed to represent a child in a suit under Title 3 as provided by Chapter 51. The court may not award attorney ad litem fees under this chapter against the state, a state agency, or a political subdivision of the state except as provided by this subsection.

(d) A person appointed as a guardian ad litem or attorney ad litem shall complete and submit to the court a voucher or claim for payment that lists the fees charged and hours worked by the guardian ad litem or attorney ad litem. Information submitted under this section is subject to disclosure under Chapter 552, Government Code.