In the weeks before a national election, the Supreme Court chose restraint over disruption, declining to revive new Postal Service rules that would have reshaped how millions of Americans cast their ballots by mail. The justices found the government unlikely to prevail on the merits, and Justice Kavanaugh noted that even a lawful rule cannot be justly imposed when those who must follow it have no reasonable time to do so. The decision reflects an enduring tension in democratic governance: the authority to regulate elections and the obligation to protect the act of voting itself.
Supreme Court blocks Trump postal service mail ballot rules ahead of midterms
Millions of voters could potentially be unable to vote by mail if the rules had been implemented, risking disenfranchisement ahead of midterm elections.
millions of voters could have been unable to vote by mail
Mark
Why did the Supreme Court block these rules? Did they say the Postal Service had no authority at all?
Mimi
Not exactly. Justice Kavanaugh actually suggested the rules might be constitutional in principle. But he said applying them right now, weeks before the midterms, violated the Administrative Procedure Act because election officials didn't have time to implement them.
Luke
So it's a timing issue, not a power issue. That's important to note—the court didn't rule on whether the Postal Service can regulate mail ballots generally, just whether it can do it this close to an election.
Mark
What would have happened if the rules had gone into effect?
Mimi
Election officials said millions of voters could have been unable to vote by mail. The new requirements—barcodes, online portal submissions—would have required massive changes to state systems in a matter of weeks.
Luke
Though we should note those are the states' claims. The Trump administration said the requirements were modest. We don't have independent verification of how many voters would actually have been affected.
Mark
Did the Postal Service say it was ready?
Mimi
No. A whistleblower told Congress the portal was untested and rushed. Even a senior Postal Service official said they were still making refinements to it as of September 3.
Luke
That whistleblower disclosure is significant, but it's one person's assessment. We don't know if it represents the agency's full view or if the problems were fixable.
Mark
Has the Trump administration shown evidence of widespread mail voting fraud?
Mimi
Not that's been made public. The administration argued the rules were needed to prevent fraud, but they haven't produced data showing it's a widespread problem.
Luke
And notably, President Trump himself voted by mail in Florida this year, which undercuts the fraud argument somewhat.
Mark
What happens next?
Mimi
The case continues through the courts. The preliminary injunction keeps the rules blocked while litigation proceeds, but this isn't a final decision on the merits.
Luke
Right. The Supreme Court said the government is unlikely to succeed, but that's not the same as ruling the rules are unconstitutional. This could come back to the Court.
The Pulse
- With midterm elections weeks away, the Trump administration's new Postal Service mail ballot rules — requiring barcoded envelopes and an online voter data portal — threatened to upend how millions of Americans vote.
- Election officials from dozens of Democratic-led states warned of outright chaos, describing systems that were untested, rushed, and vulnerable to breakdown, with a whistleblower inside the Postal Service echoing those fears to Congress.
- Courts moved rapidly: a federal district judge blocked the rules twice, a separate federal judge in Washington did the same, and the administration sought emergency Supreme Court intervention three separate times.
- The Supreme Court ultimately sided with the lower court, with Justice Kavanaugh finding that even if the rules were legally sound, imposing them weeks before an election violated basic standards of fair administrative process.
- The ruling leaves the mail voting rules on hold while litigation continues, preserving existing election procedures for November but leaving the broader constitutional and statutory questions unresolved.
In the weeks before a national election, the Supreme Court chose restraint over disruption, declining to revive new Postal Service rules that would have reshaped how millions of Americans cast their ballots by mail. The justices found the government unlikely to prevail on the merits, and Justice Kavanaugh noted that even a lawful rule cannot be justly imposed when those who must follow it have no reasonable time to do so. The decision reflects an enduring tension in democratic governance: the authority to regulate elections and the obligation to protect the act of voting itself.
The Supreme Court on Monday refused to revive new Postal Service regulations governing mail voting, delivering a significant blow to the Trump administration just weeks before November's midterm elections. In a brief unsigned order, the justices concluded the government was unlikely to succeed on the merits of its case, leaving the rules blocked while legal proceedings continue.
The regulations, finalized in late August, would have required ballot envelopes to carry unique barcodes and compelled state and local election officials to submit voter information through an online portal — with any noncompliant ballots to be rejected and returned. The Trump administration defended the rules as modest, constitutional, and necessary to combat what it called a particularly dangerous form of mail voting fraud. Election officials across Democratic-led states saw it differently, warning that compliance before the midterms was logistically impossible and that the rules risked disenfranchising millions of voters.
Justice Brett Kavanaugh, writing separately, suggested the final rule might fall within the Postal Service's legal authority but concluded that imposing it on election officials with insufficient time to adapt would violate the Administrative Procedure Act. Justices Alito and Thomas dissented, arguing the challengers were unlikely to prove the policy unlawful.
The legal battle had escalated quickly. After President Trump issued an executive order in late March directing the Postal Service to develop mail ballot regulations, Democratic states sued immediately. A federal district judge in Massachusetts blocked portions of the order, the Supreme Court temporarily paused that ruling, and then — within hours of the Postal Service publishing its final rule — two dozen states filed a new lawsuit. A whistleblower inside the agency filed a congressional disclosure describing the portal as untested and rushed, and a second federal judge in Washington blocked the rules following a separate suit by the Democratic National Committee.
New York Attorney General Letitia James, among those who sued, called the Supreme Court's decision a protection of the fundamental right to vote, warning that the last-minute changes could have thrown elections into chaos. The White House had not commented as of Monday.
The Supreme Court on Monday declined to overturn a lower court's decision blocking new Postal Service regulations for mail voting, handing a significant defeat to the Trump administration just weeks before the November midterm elections. In a brief unsigned order, the justices said the government was unlikely to succeed in its legal challenge to the rules, effectively keeping the regulations on hold while the case proceeds through the courts.
The Postal Service had finalized its new mail voting requirements in late August, imposing design standards on ballot envelopes—including unique barcodes—and requiring state and local election officials to submit voter information through an online portal. The agency warned it would reject and return any ballots that failed to meet these specifications. The Trump administration had argued the rules were necessary to combat what Solicitor General D. John Sauer called a "particularly pernicious species of fraud" in mail voting, one that he said dilutes lawful votes and undermines public confidence in elections. The administration characterized the requirements as modest and plainly constitutional, asserting that the Postal Service had clear authority from Congress to regulate envelope design and addressee information.
Election officials across Democratic-led states painted a starkly different picture. They warned that implementing the new rules before the midterms would be logistically impossible and could disenfranchise millions of voters. In legal filings, they argued there would be "chaos" and described the regulations as "fraught with an extreme risk of error," cautioning that even if states managed to comply in time, the Postal Service's systems were vulnerable to "technical breakdown, ineptitude, and delay." The states and voting rights groups challenging the rules contended they unconstitutionally infringed on states' authority to administer elections and that the Postal Service had no power to set requirements for federal elections or mail voting.
Justice Brett Kavanaugh, one of the court's conservative members, sided with the majority. While he suggested the final rule might fall within the Postal Service's statutory authority, he found that applying it in November would violate the Administrative Procedure Act because election officials simply did not have enough time to implement the changes before voters went to the polls. Two other conservative justices, Samuel Alito and Clarence Thomas, dissented, arguing that the states suing over the rules were unlikely to prove the policy unlawful.
The Supreme Court's decision capped a legal battle that had escalated rapidly over the previous month. In late March, President Trump issued an executive order directing the Postal Service to develop plans for regulating mail ballots and instructing the Department of Homeland Security to compile state-specific lists of U.S. citizens. Democratic-led states immediately sued, and U.S. District Judge Indira Talwani in Massachusetts blocked key portions of the order. The Supreme Court then halted that decision on August 24, ruling the lawsuit was premature because the Postal Service had not yet finalized its plans. Days later, the Postal Service published its final rule, and within hours, two dozen Democratic-led states filed a new lawsuit to block it.
Talwani issued a temporary order on August 27 barring implementation for 14 days while she considered the case further. When the Justice Department appealed, the Trump administration sought emergency relief from the Supreme Court. Before the justices could rule, Talwani issued a preliminary injunction replacing the temporary order and blocking enforcement of the rules while litigation continued. The administration then asked the Supreme Court for a third time to intervene, eventually withdrawing that request.
Meanwhile, concerns about the Postal Service's readiness mounted. An anonymous whistleblower filed a disclosure with Congress alleging serious problems with the agency's portal and systems, describing the platform as "untested" and "rushed" and warning that the new verification process could prevent large numbers of ballots from reaching voters. During a court hearing, Talwani criticized the Postal Service for failing to provide adequate details about its implementation plans. A senior Postal Service official acknowledged on September 3 that the agency was still making "refinements" to the portal. A federal judge in Washington, D.C., also blocked the mail-in ballot rules on Sunday following a separate lawsuit brought by the Democratic National Committee and other groups.
Attorney General Letitia James of New York, one of the officials who sued over the rules, praised the Supreme Court's decision, saying it protected "one of our most fundamental, inalienable rights — the right to make your voice heard at the ballot box." She added that the last-minute change could have "thrown our elections into chaos." The White House had not responded to requests for comment as of Monday.
Notable Quotes
This last-minute change could have thrown our elections into chaos, and I am truly relieved the Court granted this reprieve.— Attorney General Letitia James
There is at least a fair prospect that the final rule falls within the Postal Service's statutory authority, but applying it in the November midterms would be arbitrary and capricious because state and local election officials do not have sufficient time to reasonably implement the rule before the elections.— Justice Brett Kavanaugh (paraphrased)
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