Child bigamy -- Penalty.

Utah Code § 76-7-101.5, under Part 76-7-1: Marital Violations.

Utah Code § 76-7-101.5

76-7-101.5. Child bigamy -- Penalty.

(1) An actor 18 years of age or older is guilty of child bigamy when, knowing he or she has a wife or husband, or knowing that a person under 18 years of age has a wife or husband, the actor carries out the following with the person who is under 18 years of age: purports to marry the person who is under 18 years of age; and cohabitates with the person who is under 18 years of age.

(2) A violation of Subsectionis a second degree felony. (1)