Utah Code § 80-6-1004.4
§ 80-6-1004.4. Petition to expunge petition not found to be true -- Order.
(1) An individual may petition the juvenile court, at any time, for an order to expunge all records in the individual's juvenile record pertaining to an incident where a petition was filed if: (a) the incident was presented to the juvenile court for adjudication based upon an admission, plea, or trial; (b) the juvenile court did not find by beyond a reasonable doubt the allegations in the petition to be true; (c) at least 30 days have passed since the day on which the juvenile court did not find the allegations in the petition to be true; and (d) an appeal has not been filed for the petition within the 30-day period described in Subsection (1)(c). (2) If a petitioner is 18 years old or older and seeks an expungement under Subsection (1), the petition shall include a criminal history report obtained from the Bureau of Criminal Identification in accordance with Section 53-10-108. (3) The juvenile court shall grant a petition described in Subsection (1), without a hearing, and order expungement of any record in the petitioner's juvenile record pertaining to the incident.