(1) An elector's right to vote may be challenged at any time by any registered elector. The challenger must fill out and sign an affidavit stating the grounds of the challenge and providing any evidence supporting the challenge to the election administrator or, on election day, to an election judge.

(2) Any challenge made under this rule shall be decided in favor of the challenged elector, unless it is demonstrated by a preponderance of the evidence that the challenged elector should not be permitted to vote.