2015 Utah Code
Title 30 - Husband and Wife
Chapter 1 - Marriage
Section 17.3 - Age as basis of action to determine validity of marriage -- Refusal to grant annulment.

30-1-17.3. Age as basis of action to determine validity of marriage -- Refusal to grant annulment.
If an action to determine the validity of a marriage is commenced upon the ground that one or both of the parties were prohibited from marriage because of their age, in addition to all of the foregoing provisions, the following shall apply: The provisions of this code regarding marriage by a person or persons under the age of consent to the contrary notwithstanding, the court may, in its discretion, refuse to grant an annulment if it finds that it is in the best interest of the parties or their children, to refuse the annulment. The refusal shall make the marriage valid and subsisting for all purposes.

Enacted by Chapter 65, 1971 General Session