Supreme Court Allows Trump to Pursue Mail Voting Limits, for Now
The Supreme Court on Monday allowed the Trump administration to move forward for now with key parts of President Donald Trump’s executive order targeting mail-in voting, lifting a lower-court injunction that had blocked the restrictions in 23 states and Washington, D.C. The unsigned 6-3 ruling, divided along ideological lines, does not address the underlying legality of the order and leaves a separate nationwide injunction still in place.
Context: The Executive Order
At the center of the dispute is Executive Order 14399, titled “Ensuring Citizenship Verification and Integrity in Federal Elections,” which President Trump signed on March 31. The order directs the Department of Homeland Security to compile “State Citizenship Lists” of confirmed adult U.S. citizens and directs the U.S. Postal Service to restrict mail-in ballot delivery to individuals on state-specific lists. It also requires ballot envelopes to carry unique Intelligent Mail barcodes and be automation-compatible, and it directs the Attorney General to prioritize investigations and prosecutions of state and local officials who issue federal ballots to individuals not eligible to vote.
Trump has said the order is intended to stop illegal voting by non-U.S. citizens in federal elections, a phenomenon that research has found to be infinitesimally rare. Notably, Trump himself voted by mail in Florida’s primary earlier this month.
The Supreme Court’s Ruling
The Court’s decision focused on a narrow procedural question: whether U.S. District Judge Indira Talwani’s June injunction was premature, issued before federal agencies had finalized their implementation plans. The majority concluded that the states’ challenge was premature, writing that the Court’s “disposition of this application does not mean that any measure taken by the Government to implement the Order will necessarily be lawful. On that score, time will tell.”
Justices Sonia Sotomayor, Elena Kagan, and Ketanji Brown Jackson dissented. In her dissent, Justice Sotomayor wrote that the decision “does not address whether the President’s attempts to interfere with states’ administration of the November 2026 elections are lawful” and “merely postpones adjudication of those challenges.” Justice Jackson accused the majority of “taking its eye off the ball,” warning that the ruling “needlessly injects chaos and uncertainty into the upcoming midterm elections.”
A Second Injunction Remains
A critical nuance of the ruling is that it only lifted the first of two injunctions. Judge Talwani’s August 11 ruling in a separate case, League of Women Voters v. Trump, still blocks the Postal Service from implementing its new mail-ballot procedures nationwide for the November 3 elections. As CNBC reported, the administration would need to overcome that order as well before the new rules can take effect.
The Postal Service issued its final rule on Friday, August 21, implementing parts of the executive order, including new requirements for ballot envelopes, barcodes, and information states must provide to USPS, as Roll Call reported. The rule carries an “immediate effective date,” but the Postal Service has stated it will not implement the new regulations for the upcoming election unless and until it obtains relief from the courts.
The administration filed a late Monday court filing indicating it plans to ask the 1st U.S. Circuit Court of Appeals to pause the August 11 nationwide injunction if Judge Talwani does not pause or cancel it by 5:30 p.m. ET on Tuesday.
Political Reactions
The ruling drew sharp responses from both sides. White House spokesperson Lauren Bis said the administration “will continue to lawfully enact the agenda President Trump was elected on — which includes the safety and security of our elections.”
New York Attorney General Letitia James, a Democrat who led the states’ challenge, called the decision “a painful setback, but it will not be the final word.” She added: “The right to vote is sacred, and no administration should be allowed to put that right in jeopardy by making it harder for eligible voters to cast their ballots.”
California Gov. Gavin Newsom announced on X that his state will sue again to block the order, while Pennsylvania Gov. Josh Shapiro pledged, “We’ll see the Trump Administration in court.” Senate Minority Leader Chuck Schumer called the ruling “a disgrace,” describing it as “election interference in broad daylight,” as NBC News reported.
Analysis: What This Means
The Supreme Court’s decision is procedural rather than substantive. The Court did not rule on whether Trump’s executive order is constitutional or lawful — it determined only that the states’ challenge was premature because federal agencies had not yet finalized their implementation plans. The Court’s explicit language — “On that score, time will tell” — leaves open the possibility that the order’s implementation could still be found unlawful.
Even with the Supreme Court’s ruling, the Postal Service faces enormous practical challenges in implementing the new rules before November 3. The final rule was only issued on August 21, and states are already preparing to send ballots to military and overseas voters in early September. The cash-strapped USPS would need to implement a complex new system of barcode requirements, voter list verification, and envelope design standards in a matter of weeks.
As Votebeat reported, election law professor Rick Hasen of UCLA predicted that “the trial court will now amend [the second] injunction and issue a new injunction that will stop USPS from implementing its now final rule. And that too may end up at the Supreme Court within a week.”
The case represents a significant escalation in the ongoing battle over election administration between the Trump administration and Democratic-led states. The 2026 midterms will determine control of both the House and Senate, making the stakes particularly high. About 30% of all ballots cast in the 2024 presidential election were mail-in votes, according to federal data reviewed by the Associated Press.
What Happens Next
The legal fight is far from over. The states and voting rights groups are likely to go back to court quickly to challenge the Postal Service’s final rule. Judge Talwani may amend her August 11 injunction to specifically address the final rule, and the case could return to the Supreme Court within a week. California Gov. Newsom has announced the state will file a new lawsuit, and New York Attorney General James said the states are “exploring our legal options.”
With the midterm elections just over two months away, the clock is ticking. As Solicitor General D. John Sauer noted in a July court filing, implementation efforts “will need to begin well before November—indeed, as soon as early to mid-August—to be effective for the 2026 election, particularly given that absentee and mail-in voting begin (in some States) several weeks prior to Election Day.”
For now, the Supreme Court has given the Trump administration room to pursue its mail voting restrictions. But with a separate injunction still in place and new legal challenges already being prepared, the final outcome — and the impact on how millions of Americans cast their ballots in November — remains very much in doubt.