Utah Code § 20A-9-411: Signing multiple nomination petitions.

(1) An individual who signs a petition, described in Section 20A-9-403 or 20A-9-408, to nominate a candidate may not sign a petition to nominate another candidate for the same office.

(2) If an individual signs more than one petition in violation of Subsection (1), the election officer may only count the signature on the first petition that the election officer reviews for that office.