Utah Code § 77-38-8
Age-appropriate language at judicial proceedings -- Advisor.
(1) In any criminal proceeding or juvenile court proceeding regarding or involving a child, examination and cross-examination of a victim or witness 13 years of age or younger shall be conducted in age-appropriate language. (2) (a) The court may appoint an advisor to assist a witness 13 years of age or younger in understanding questions asked by counsel. (b) The advisor is not required to be an attorney.