(1) All applicants for voter registration who apply under this subchapter shall be registered provisionally pending verification of the applicant's driver's license number or, if the applicant does not have a driver's license number, the last four digits of the applicant's social security number. If the applicant does not have a driver's license number or social security number, the applicant shall provide a form of identification required under 13-2-110 , MCA, which, if accepted, shall be sufficient for verification under these rules.