Utah Const. art. IV, § 10

Effective 1/1/2017 [Oath of office.] All officers made elective or appointive by this Constitution or by the laws made in pursuance thereof, before entering upon the duties of their respective offices, shall take and subscribe the following oath or affirmation: "I do solemnly swear (or affirm) that I will support, obey, and defend the Constitution of the United States and the Constitution of the State of Utah, and that I will discharge the duties of my office with fidelity."