Utah Code Ann. § 81-11-201
(1) Except as otherwise provided in Section 81-11-204, a court of this state has jurisdiction to make an initial child custody determination only if:
(b) a court of another state does not have jurisdiction under Subsection (1)(a), or a court of the home state of the minor child has declined to exercise jurisdiction on the ground that this state is the more appropriate forum under Section 81-11-207 or 81-11-208, and:
Renumbered and Amended by Chapter 426, 2025 General Session