Utah Code § 75-5-103
§ 75-5-103. Delegation of powers by parent or guardian.
A parent or a guardian of a minor or incapacitated person, by a properly-executed power of attorney, may delegate to another person, for a period not exceeding six months, any of the parent's or guardian's powers regarding care, custody, or property of the minor child or ward: (1) except the power to consent to: (a) marriage; or (b) adoption of a minor ward; and (2) subject to Section 53G-6-302, including making decisions related to schooling.