(1) An applicant for voter registration must provide all required information on the voter registration application.
(2) An election official shall:
(a) enter the driver's license number, or the last four digits of the social security number provided by the applicant on the voter registration application into the voter registration system maintained by the election administrator in a field provided for the number;
(b) ensure that the number remains private and accessible only by authorized county election officials and, when applicable, by the authorized staff of the office of the secretary of state; and
(c) use the number as a unique identifier for voting purposes in addition to the voter registration number assigned to the elector.
(3) An applicant for voter registration who does not provide the applicant's driver's license number, the last four digits of the applicant's social security number, or a form of identification required in ARM 44.3.2002, shall be registered as a provisionally registered elector pending receipt and verification, at any time up to and including on election day, of one of the required numbers or, if the applicant has not been issued either number, receipt of a form of identification required.
(4) If an applicant does not provide all required information and the election administrator is unable to obtain that information, except for the information in (2) on the form prescribed by the secretary of state, the applicant may be entered as "pending - incomplete" status in the statewide voter registration system until the required information is provided.