Utah Code Ann. § 20A-9-503
(1) After the certificate of nomination has been certified, executed, and acknowledged by the county clerk, the candidate shall:
(a) between the second Friday in March and the close of normal office hours on the third Thursday in March of the year in which the regular general election will be held, file the petition in person with:
(b) not later than the close of normal office hours on June 15 of any odd-numbered year, file the petition in person with:
(2)
(3)
(b) Notwithstanding Subsection (1), a person filing a certificate of nomination for president or vice president of the United States:
(4) Notwithstanding the requirement in Subsection (1) to file a certificate of nomination in person, a person may designate an agent to file the certificate of nomination in person with the filing officer if:
(a) the person is located outside the state during the filing period because:
(ii) the person is a member of: