(a) On the filing of a hearing request, the registrar shall schedule a hearing on the challenge.
(b) The registrar shall conduct the hearing not later than the 10th day after the date the request is filed or on a later date at the request of the challenging voter.
(c) The voter may appear personally at the hearing to offer evidence or argument. The voter may offer evidence or argument by affidavit without personally appearing if the voter submits the affidavit to the registrar before the hearing begins.