Utah Code Ann. § 78B-6-522
(3)
(a)
(b) If a stay is granted pursuant to a motion under Subsection (3)(a) and the order granting the stay does not specify when the stay terminates, the mediator or arbitrator shall file with the district court a motion to terminate the stay within 30 days after:
(4)
(b) If the mediator or arbitrator determines that an additional appraisal is reasonably necessary to reach a resolution of the case, the mediator or arbitrator may: