Utah Code § 78A-2-221
§ 78A-2-221. Justices and judges -- Limitations during terms.
A justice or judge of any court of record may not, during his term of office: (1) practice law or have a partner engaged in the practice of law; (2) hold office in or make any contribution to any political party or organization engaged in political activity; or (3) use, in his efforts to obtain or retain judicial office, any political party designation, reference, or description.