Utah Code Ann. § 81-11-204
(2)
(b) If a child custody proceeding has not been or is not commenced in a court of a state having jurisdiction under Sections 81-11-201 through 81-11-203, a child custody determination made under this section becomes a final determination, if:
(3)
(4)
Renumbered and Amended by Chapter 426, 2025 General Session