Registration a prerequisite to voting.

Utah Code § 20A-2-102, under Part 20A-2-1: General Voter Registration Requirements.

Utah Code § 20A-2-102

20A-2-102. Registration a prerequisite to voting.

(1) Except as provided in Subsection, a person may not vote at any election unless that person is registered to vote as required by this chapter. (2)

(2) A person may vote a provisional ballot for an election as provided in Section. 20A-2-307