The appropriate State or local official shall provide adequate technological security measures to prevent the unauthorized access to the computerized list established under this section.
If an applicant for voter registration for an election for Federal office has not been issued a current and valid driver’s license or a social security number, the State shall assign the applicant a number which will serve to identify the applicant for voter registration purposes. To the extent that the State has a computerized list in effect under this subsection and the list assigns unique identifying numbers to registrants, the number assigned under this clause shall be the unique identifying number assigned under the list.
The chief State election official and the official responsible for the State motor vehicle authority of a State shall enter into an agreement to match information in the database of the statewide voter registration system with information in the database of the motor vehicle authority to the extent required to enable each such official to verify the accuracy of the information provided on applications for voter registration.
In the case of a State which is permitted to use social security numbers, and provides for the use of social security numbers, on applications for voter registration, in accordance with section 7 of the Privacy Act of 1974 (5 U.S.C. 552a note), the provisions of this paragraph shall be optional.
An individual who desires to vote in person, but who does not meet the requirements of subparagraph (A)(i), may cast a provisional ballot under section 21082(a) of this title.
An individual who desires to vote by mail but who does not meet the requirements of subparagraph (A)(ii) may cast such a ballot by mail and the ballot shall be counted as a provisional ballot in accordance with section 21082(a) of this title.
If an applicant for voter registration fails to answer the question included on the mail voter registration form pursuant to subparagraph (A)(i), the registrar shall notify the applicant of the failure and provide the applicant with an opportunity to complete the form in a timely manner to allow for the completion of the registration form prior to the next election for Federal office (subject to State law).
Nothing in this subsection shall be construed to require a State that was not required to comply with a provision of the National Voter Registration Act of 1993 (42 U.S.C. 1973gg et seq.) [now 52 U.S.C. 20501 et seq.] before October 29, 2002, to comply with such a provision after October 29, 2002.
The last 4 digits of a social security number described in subsections (a)(5)(A)(i)(II) and (b)(3)(B)(i)(II) shall not be considered to be a social security number for purposes of section 7 of the Privacy Act of 1974 (5 U.S.C. 552a note).
Except as provided in subparagraph (B), each State and jurisdiction shall be required to comply with the requirements of subsection (a) on and after January 1, 2004.
If a State or jurisdiction certifies to the Commission not later than January 1, 2004, that the State or jurisdiction will not meet the deadline described in subparagraph (A) for good cause and includes in the certification the reasons for the failure to meet such deadline, subparagraph (A) shall apply to the State or jurisdiction as if the reference in such subparagraph to “January 1, 2004” were a reference to “January 1, 2006”.
Each State and jurisdiction shall be required to comply with the requirements of subsection (b) on and after January 1, 2004, and shall be prepared to receive registration materials submitted by individuals described in subparagraph (B) on and after the date described in such subparagraph.