Utah Code § 81-10-103: Jurisdiction.

(1) A court may issue an order regarding custodial responsibility under this chapter only if the court has jurisdiction under Chapter 11, Uniform Child Custody Jurisdiction and Enforcement Act.

(2) If a court has issued a temporary order regarding custodial responsibility pursuant to Part 3, Judicial Procedure for Granting Custodial Responsibility During Deployment, the residence of the deploying parent is not changed by reason of the deployment for the purposes of Chapter 11, Uniform Child Custody Jurisdiction and Enforcement Act, during the deployment.

(3) If a court has issued a permanent order regarding custodial responsibility before notice of deployment and the parents modify that order temporarily by agreement pursuant to Part 2, Agreement Addressing Custodial Responsibility During Deployment, the residence of the deploying parent is not changed by reason of the deployment for the purposes of Chapter 11, Uniform Child Custody Jurisdiction and Enforcement Act.

(4) If a court in another state has issued a temporary order regarding custodial responsibility as a result of impending or current deployment, the residence of the deploying parent is not changed by reason of the deployment for the purposes of Chapter 11, Uniform Child Custody Jurisdiction and Enforcement Act.

(5) This section does not prevent a court from exercising temporary emergency jurisdiction under Chapter 11, Uniform Child Custody Jurisdiction and Enforcement Act.