Tex. Fam. Code § 159.616
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
A party or support enforcement agency seeking to modify, or to modify and enforce, a foreign child support order not under the Convention may register that order in this state under Sections 159.601 through 159.608 if the order has not been registered. A petition for modification may be filed at the same time as a request for registration or at another time. The petition must specify the grounds for modification.
Tex. Fam. Code § 159.616