Not later than 18 months after the date on which section
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(a)(5) of this title takes effect, the Commission, in consultation with the Commissioner of Social Security, shall study and report to Congress on the feasibility and advisability of using Social Security identification numbers or other information compiled by the Social Security Administration to establish voter registration or other election law eligibility or identification requirements, including the matching of relevant information specific to an individual voter, the impact of such use on national security issues, and whether adequate safeguards or waiver procedures exist to protect the privacy of an individual voter.