(a) A petition for confirmation of a child support review order not agreed to by the parties:
(1) must include the final review order as an attachment to the petition; and
(2) may include a waiver of service executed under Section 233.018 and an agreement to appear in court for a hearing.
(b) Documentary evidence relied on by the Title IV-D agency, including, if applicable, an acknowledgment of paternity or a written report of a parentage testing expert, shall be filed with the clerk as exhibits to the petition, but are not required to be served on the parties. The petition must identify the exhibits that are filed with the clerk.