Texas UCCJEA Interstate Child Custody Jurisdiction Still Matters: Two Reminders

Family lawyers often focus on conservatorship, possession, and support issues while treating UCCJEA questions as a preliminary hurdle. Two recent Texas cases remind us why that approach can be dangerous.
One very recent case from the Texas Supreme Court in June 2026, In re Interest of K.N., ___ S.W.3d ___ No. 24-0881, 2026 WL 1614378 (Tex. 2026) serves as a reminder of basic UCCJEA principles. The other, In re C.J.S., 702 S.W.3d 573 (Tex. App.—Houston [1st Dist.] 2024, no pet.), provides a much deeper look at how the Act operates when competing proceedings are pending in different states.
K.N.: Jurisdiction Is Not an Afterthought
Although K.N. is not primarily a UCCJEA opinion, it underscores several foundational principles practitioners should never overlook.
First, UCCJEA jurisdiction is subject-matter jurisdiction. Parties cannot create it by agreement, waive it by inaction, or confer it through litigation conduct.
Second, courts must analyze jurisdiction in the order prescribed by the statute. The starting point is always whether a state qualifies as the child’s home state under Chapter 152 of the Texas Family Code. Significant-connection jurisdiction is not an equal alternative—it becomes relevant only if home-state jurisdiction does not exist.
Third, practitioners should remember that trial courts have an independent obligation to ensure jurisdiction exists. Even where the parties devote little attention to the issue, a defective UCCJEA analysis can threaten the validity of the entire proceeding.
In that respect, K.N. is a useful reminder that jurisdictional questions are not procedural technicalities; they determine which state’s courts have authority to make custody decisions in the first place.
C.J.S.: A Detailed Application of the UCCJEA in a Multi-State Dispute
The Houston First Court of Appeals’ opinion in In re C.J.S., 702 S.W.3d 573 (Tex. App.—Houston [1st Dist.] 2024, no pet.), is far more substantial and provides an excellent roadmap for handling competing interstate custody proceedings.
Home-State Jurisdiction Remains Supreme
The central lesson of C.J.S. is that the UCCJEA’s hierarchy matters.
The Act was designed to eliminate the very problem that plagued interstate custody litigation for decades: multiple states simultaneously exercising jurisdiction over the same child. To accomplish that objective, the UCCJEA gives priority to home-state jurisdiction.
The court repeatedly emphasized that home-state jurisdiction “trumps” every other potential basis for exercising jurisdiction in an initial custody determination.
That point is often missed in litigation. Lawyers sometimes race to demonstrate contacts with a particular state—family members, schools, medical providers, or evidence located there. But under the UCCJEA, those facts generally matter only if no state qualifies as the child’s home state.
As the court noted, the significant-connection analysis is a fallback mechanism, not an alternative starting point.
The Physical Location of the Child Controls
Another important takeaway is the court’s focus on the child’s actual physical presence.
The opinion reiterates that determining a home state is fundamentally a factual inquiry centered on where the child actually lived. Temporary travel and visitation generally do not create home-state jurisdiction.
That principle proved decisive because the evidence demonstrated that the child had lived from birth in Texas even though another state arguably possessed meaningful connections to the parties.
For practitioners, this is a reminder that detailed evidence concerning the child’s physical location can be more important than broad evidence concerning parental ties to a state.
Simultaneous Proceedings Do Not Automatically Defeat Texas Jurisdiction
Perhaps the most interesting aspect of C.J.S. is the interaction between Texas and Louisiana proceedings.
The father argued that Louisiana had already exercised jurisdiction and therefore Texas should defer. The court rejected that argument because the Louisiana court had not exercised jurisdiction in conformity with the UCCJEA’s hierarchy.
That distinction is critical.
The UCCJEA does not merely ask whether another state acted first. It asks whether the other state exercised jurisdiction in a manner consistent with the Act.
A first-filed court does not automatically prevail if it bypasses the home-state analysis and moves directly to significant-connection jurisdiction.
The opinion is a powerful reminder that the race to the courthouse does not override the statutory jurisdictional framework.
Interstate Judicial Communication Is Not Optional
Another noteworthy aspect of C.J.S. was the Texas court’s effort to communicate with the Louisiana court.
The UCCJEA contemplates direct communication between judges when simultaneous proceedings are pending. These provisions exist for a reason: they reduce the risk of conflicting orders and promote coordinated jurisdictional decision-making.
The Houston court carefully documented its efforts to engage the Louisiana court. The case serves as a practical example of how courts should attempt to navigate competing proceedings under the Act rather than simply proceeding in parallel.
Unjustifiable Conduct Has Limits
The father also invoked the UCCJEA’s “unjustifiable conduct” provision, arguing that the mother’s actions should require Texas to decline jurisdiction.
The court rejected the argument.
Importantly, the opinion treats Section 152.208 for what it was intended to be—a remedy directed at truly wrongful conduct such as child abduction, concealment, or forum-shopping conduct designed to manufacture jurisdiction.
The decision suggests that courts should be cautious about expanding the doctrine beyond those circumstances.
Takeaway for Family Lawyers
The most important lesson from these cases is that UCCJEA disputes cannot be analyzed as simple venue fights.
The statutory sequence matters:
- Determine whether a home state exists.
- Move to significant-connection jurisdiction only if home-state jurisdiction is unavailable.
- Evaluate simultaneous proceedings through the lens of whether the competing state acted in conformity with the Act.
- Ensure that courts communicate when parallel proceedings are pending.
- Remember that UCCJEA jurisdiction implicates subject-matter jurisdiction and therefore can never be waived.
As interstate mobility increases and families become more geographically dispersed, custody cases involving multiple states are becoming increasingly common. K.N. reminds us of the basic rules. C.J.S. demonstrates how those rules operate when two states are actively competing for jurisdiction.
For Texas family lawyers handling interstate custody disputes, In re C.J.S. is one of the more instructive UCCJEA opinions issued in recent years.
Contact LaMorgese Family Law If You Have UCCJEA Questions
Brad M. LaMorgese is Board Certified in Family Law by the Texas Board of Legal Specialization and focuses his practice on sophisticated family law matters involving significant financial complexity. He regularly represents clients in high-net-worth divorce litigation, complex property disputes, business ownership cases, and strategic family law matters requiring long-term financial planning.
To schedule a consultation, call our Dallas family law attorney at LaMorgese Family Law at 214-295-7200. Brad LaMorgese represents clients throughout Dallas and Dallas County, Texas, in complex family law matters involving substantial assets and significant financial interests.