Department of Homeland Security v. League of Women Voters · ¶29

To comply with the Executive Order, DHS and SSA agreed to overhaul SAVE and link SSA’s master social security files, which are held in a database called NUMIDENT, to SAVE. NUMIDENT contains information about natural-born U. S. citizens as well as naturalized citizens and noncitizens—not just social security numbers (SSNs) but also “names, dates and places of birth, citizenship indicators, death records, and information obtained while processing requests for SSNs.” 835 F. Supp. 3d, at 101. With the modified SAVE system, a state user can submit bulk queries using full or partial SSNs as well as alien- identification numbers. Id., at 102–103. If a query is inconclusive, a State might respond by asking the voter to provide proof of citizenship in order to remain registered, and it might strike the voter from the rolls if she fails to timely do so. Id., at 108–109.

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