Utah R. App. P. 23A
As amended through April 24, 2024
An appeal dismissed for failure to take a step other than the timely filing of a notice of appeal may be reinstated by the court upon motion of the appellant for (a) mistake, inadvertence, surprise, or excusable neglect or (b) fraud, misrepresentation, or misconduct of an adverse party. The motion shall be made within a reasonable time after entry of the order of dismissal.
Utah. R. App. P. 23A