Utah Code § 20A-16-404: Timely casting of ballot.

Except as provided by Section 20A-1-308, to be valid, a military-overseas ballot shall be:

(1) received by the appropriate election officer not later than the close of the polls; or

(2) submitted for mailing, electronic transmission, or other authorized means of delivery not later than 12:01 a.m., at the place where the voter completes the ballot, on the date of the election.