116 STAT. 1710 PUBLIC LAW 107-252—OCT. 29, 2002 Contracts. (A) A system of file maintenance that makes a reasonable effort to remove registrants who are ineligible to vote from the official list of eligible voters. Under such system, consistent with the National Voter Registration Act of 1993 (42 U.S.C. 1973gg et seq.), registrants who have not responded to a notice and who have not voted in 2 consecutive general elections for Federal office shall be removed from the official list of eligible voters, except that no registrant may be removed solely by reason of a failure to vote. (B) Safeguards to ensure that eligible voters are not removed in error from the official list of eligible voters. (5) VERIFICATION OF VOTER REGISTRATION INFORMATION. — (A) REQUIRING PROVISION OF CERTAIN INFORMATION BY APPLICANTS.— (i) IN GENERAL.—Except as provided in clause (ii), notwithstanding any other provision of law, an application for voter registration for an election for Federal office may not be accepted or processed by a State unless the application includes— (I) in the case of an applicant who has been issued a current and valid driver's license, the applicant's driver's license number; or (II) in the case of any other applicant (other than an applicant to whom clause (ii) applies), the last 4 digits of the applicant's social security number. (ii) SPECIAL RULE FOR APPLICANTS WITHOUT DRIVER'S LICENSE OR SOCIAL SECURITY NUMBER.—I f 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. (iii) DETERMINATION OF VALIDITY OF NUMBERS PRO- VIDED. —The State shall determine whether the information provided by an individual is sufficient to meet the requirements of this subparagraph, in accordance with State law. (B) REQUIREMENTS FOR STATE OFFICIALS.— (i) SHARING INFORMATION IN DATABASES. —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. (ii) AGREEMENTS WITH COMMISSIONER OF SOCIAL SECURITY.— The official responsible for the State motor vehicle authority shall enter into an agreement with
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