Utah Code Ann. § 76-5-405
(1) A person commits aggravated sexual assault if:
(a) in the course of a rape, object rape, forcible sodomy, or forcible sexual abuse, the actor:
(b) in the course of an attempted rape, attempted object rape, or attempted forcible sodomy, the actor:
(c) in the course of an attempted forcible sexual abuse, the actor:
(2) Aggravated sexual assault is a first degree felony, punishable by a term of imprisonment of:
(a) for an aggravated sexual assault described in Subsection (1)(a):
(b) for an aggravated sexual assault described in Subsection (1)(b):
(c) for an aggravated sexual assault described in Subsection (1)(c):
(3)
(a) If, when imposing a sentence under Subsection (2)(a)(i), a court finds that a lesser term than the term described in Subsection (2)(a)(i) is in the interests of justice and states the reasons for this finding on the record, the court may impose a term of imprisonment of not less than:
(4)
(5)