Utah Code Ann. § 81-11-310
(1) Unless the court enters a temporary emergency order in accordance with Section 81-11-204, upon a finding that a petitioner is entitled to the physical custody of the minor child immediately, the court shall order the minor child delivered to the petitioner unless the respondent establishes that:
(a) the child custody determination has not been registered and confirmed under Section 81-11-305, and that:
Renumbered and Amended by Chapter 426, 2025 General Session