Utah Code § 76-7-106
Parent or guardian unlawfully consenting or allowing an illegal marriage.
(1) (a) As used in this section, "minor" means the same as that term is defined in Section 76-7-103. (b) Terms defined in Section 76-1-101.5 apply to this section. (2) An actor commits parent or guardian unlawfully consenting or allowing an illegal marriage if: (a) the actor is a parent or legal guardian of a minor; and (b) the actor knowingly consents or allows the minor described in Subsection (2)(a) to enter into a marriage that does not meet the requirements described in Section 81-2-304. (3) A violation of Subsection (2) is a third degree felony.