The Supreme Court of the United States issued an emergency order this Friday allowing the Trump administration to implement the federal SAVE system to verify the citizenship of registered voters ahead of the legislative elections on November 3rd.
The decision temporarily reverses the block that a federal judge had imposed in June on the expanded system, and represents a significant victory for Trump with less than six weeks until the midterm elections, in which the Republican Party is fighting for control of Congress.
The Supreme Court stated in its resolution that "the Federal Government is obligated to respond to requests from state and local electoral officials who are attempting to verify the citizenship of voters."
The SAVE —Systematic Alien Verification for Entitlements, in English— system is an online platform managed by the U.S. Citizenship and Immigration Services (USCIS) that cross-references federal databases of citizenship, Social Security numbers, and Department of State records.
Originally designed to verify the immigration status of applicants for benefits and government licenses, the Trump administration expanded it in October 2025 to include mass checks of voter rolls, batch data uploads, and the use of Social Security numbers of citizens born in the country.
According to arguments presented before the Supreme Court, the system has processed over 65 million voter records in 26 states since May 2025 and has flagged 28,635 as potential non-citizens.
The legal battle reached the Supreme Court after a lengthy journey through lower courts. Federal Judge Sparkle Sooknanan blocked the system in June, ruling that it violated federal laws on privacy and administration, and that it could disenfranchise eligible voters.
The D.C. Circuit Court of Appeals declined to pause that block in early September, which led the White House to go directly to the Supreme Court to request the lifting of the measure.
The three liberal justices of the court —Ketanji Brown Jackson, Sonia Sotomayor, and Elena Kagan— opposed the decision.
Jackson argued in his dissenting vote that "the harm caused by imposing burdens or depriving even a few legitimate voters of their right to vote outweighs the nonexistent harm the Government experiences when it is prevented from taking an action for which it likely lacks authority."
Democrats and voter advocacy groups fear that the massive data cross-checking could exclude legitimate voters due to errors in the records.
It is worth noting that the Supreme Court's order is a temporary measure, not a definitive ruling on the legality of the system, and that its practical impact before November 3 could be limited: the National Voter Registration Act prohibits systematic purges of electoral lists within the 90 days leading up to a federal election, although it does allow for individualized corrections.
The decision will impact ongoing lawsuits in lower courts regarding Trump’s electoral reform. The Supreme Court rejected in mid-September another aspect of that agenda: the plan for the Postal Service to review mail-in ballots.
The elections on November 3 will renew the entire House of Representatives and one-third of the Senate, with control of Congress at stake for the Republicans.
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