Tex. Fam. Code § 159.206
(a) A tribunal of this state that has issued a child support order consistent with the law of this state may serve as an initiating tribunal to request a tribunal of another state to enforce:
(1) the order, if the order:
Added by Acts 1995, 74th Leg., ch. 20, Sec. 1, eff. April 20, 1995.
Amended by Acts 2003, 78th Leg., ch. 1247, Sec. 9, eff. Sept. 1, 2003.
Acts 2015, 84th Leg., R.S., Ch. 368 (H.B. 3538), Sec. 10, eff. July 1, 2015.