Utah Code Ann. § 32B-4-411
(1) As used in this section, "proof of age violation" means a violation by a minor of:
(b) if as part of the violation the minor uses a proof of age in violation of Chapter 1, Part 4, Proof of Age Act:
(2) If a court finds a minor engaged in a proof of age violation, notwithstanding the penalties provided for in Subsection (1):
(a)
(iii) for a third or subsequent violation, the minor is guilty of a class A misdemeanor, except that the court may impose:
(b)
(i) for a minor who is at least 13 years old, but younger than 18 years old:
(ii) for a minor who is at least 18 years old, but younger than 21 years old: