Utah Code § 78A-6-358: Period of effect for a judgment, decree, or order by a juvenile court.

(1) A judgment, order, or decree of the juvenile court is no longer in effect after a minor is 21 years old, except:

(a) for an order of commitment to the Utah State Developmental Center or to the custody of the Division of Substance Abuse and Mental Health;

(b) for an adoption under Subsection 78A-6-103(2)(a)(xiv) or (xv);

(c) for an order permanently terminating the rights of a parent, guardian, or custodian under Title 80, Chapter 4, Termination and Restoration of Parental Rights;

(d) for a permanent order of custody and guardianship under Subsection 80-3-405(2)(d);

(e) an order establishing parentage under Subsection 78A-6-104(1)(a)(i); and

(f) as provided in Subsection (2).

(2) If the juvenile court enters a judgment or order for a minor for whom the juvenile court has extended continuing jurisdiction over the minor's case until the minor is 25 years old under Section 80-6-605, the juvenile court's judgment or order is no longer in effect after the minor is 25 years old.