Section 159.711 - Modification of Convention Child Support Order(a) A tribunal of this state may not modify a Convention child support order if the obligee remains a resident of the foreign country where the support order was issued unless:(1) the obligee submits to the jurisdiction of a tribunal of this state, either expressly or by defending on the merits of the case without objecting to the jurisdiction at the first available opportunity; or(2) the foreign tribunal lacks or refuses to exercise jurisdiction to modify its support order or issue a new support order.(b) If a tribunal of this state does not modify a Convention child support order because the order is not recognized in this state, Section 159.708(c) applies.Added by Acts 2015, Texas Acts of the 84th Leg. - Regular Session, ch. 368,Sec. 58, eff. 7/1/2015.