The Trump administration filed an emergency appeal at the Supreme Court asking justices to lift a federal judge's order blocking a new Postal Service rule on mail-in ballots, with North Carolina set to begin shipping ballots as soon as the next day.
U.S. Solicitor General D. John Sauer submitted the application Thursday afternoon, arguing that U.S. District Judge Indira Talwani's temporary restraining order out of Boston "partially nullifies the Postal Service's efforts to address the risk that the federal mails will be used to perpetrate voter fraud." The filing marks the administration's second trip to the Supreme Court in roughly six weeks over President Trump's March 2026 executive order on mail-in voting, and it comes with a ticking clock that leaves almost no room for delay.
Talwani issued the 14-day restraining order on August 27, blocking the administration from requiring states to comply with several provisions of the new USPS rule. Those provisions include ballot envelope design requirements, such as Election Mail markings and unique Intelligent Mail barcodes on automation-compatible envelopes, and a mandate that states submit voter data through a USPS online portal. The order expires September 14, but Sauer told the justices the damage would land far sooner.
Sauer's filing zeroed in on the calendar. As SCOTUSblog reported, the solicitor general warned that "two States, North Carolina and Alabama, will begin sending ballots to voters, the first as soon as September 4. Once those ballot envelopes enter the mailstream, there is no retrieving them."
That argument frames the dispute as one where every day of delay creates facts on the ground that no later court ruling can undo. Ballots mailed without the required markings and barcodes would circulate outside the Postal Service's new tracking and verification framework, the very framework the administration says is needed to prevent fraud.
The Supreme Court directed the 23 challenger states, led by California, and the District of Columbia to file their response by 10 a.m. EDT on Tuesday, September 8. Sauer also asked the justices for an immediate administrative stay, a temporary hold to freeze the status quo while the court considers the broader request.
Judge Talwani's restraining order did not come out of nowhere. During proceedings in her courtroom, she pressed a Department of Justice attorney on whether the online portal, the system states would need to upload voter lists before USPS could mail ballots, was even operational. Newsmax reported that Talwani told the DOJ lawyer directly:
"As you sit here today, you can't tell me the government has a program ready to go?"
She went further, saying she had received no declaration from the Postal Service explaining how the system would work. That exchange cut to the core of the states' practical objection: even if the rule were lawful, compliance was impossible on the timeline the administration demanded.
Talwani found that the challenger states lacked the time and money to redesign mail ballots, obtain approval for new designs, order production, update election management systems, train officials on the USPS portal, and upload citizen data, all before the midterms. The Supreme Court had previously cleared the path for the executive order on procedural grounds, but that ruling did not address whether the order or the USPS rule was lawful on the merits.
The solicitor general's central legal argument draws a line between regulating the mail and regulating elections. Sauer wrote that "the Postal Service's final rule imposes only modest envelope-design and addressee-information requirements for federal-election ballots sent via U.S. Mail." He pointed to existing USPS authority to set processing requirements for items like cremated remains and replica explosives as evidence that the agency has long regulated what moves through the mail and how.
Sauer also cited the Postal Service's existing authority to adopt rules governing election-related mail, including the use of the Election Mail logo and prioritizing ballot mail for delivery. His argument: states that choose to use the federal mail system to conduct elections cannot then claim their ballots are exempt from postal regulations.
As the Washington Examiner reported, Sauer wrote that "the district court's baseless order also imposes serious irreparable harm on the federal government, the States themselves, and the voting public." He pushed back against the suggestion that the Postal Service was trying to federalize the rules for mail-in voting, calling the rule's requirements modest and well within federal authority over postal operations.
The 23 challenger states see it differently. They argue the executive order and the USPS rule conflict with constitutional provisions that give states the power to determine voter eligibility and set the times, places, and manner of congressional elections. New York Attorney General Letitia James called the rule "a clear attempt by the federal government to interfere in elections it has no power to control."
The current fight is the second chapter of a legal battle that has moved at unusual speed. In late July, the Trump administration and a coalition of 12 states led by Alabama both filed stay applications at the Supreme Court, asking the justices to pause Talwani's earlier injunction barring implementation of the executive order through November 3, 2026.
Nearly a month later, the Supreme Court responded with a 10-page, unsigned opinion allowing the administration to begin implementing the executive order. The majority held it was too soon for courts to consider the states' challenge because the order had not yet been carried out, and the states had not yet suffered the kind of concrete injury required for their lawsuit to proceed. That decision prompted California Governor Gavin Newsom to pledge a new lawsuit in response.
Talwani responded to the Supreme Court's ruling by lifting a separate injunction she had issued in a challenge brought by the League of Women Voters. But she did not stay on the sidelines for long. When the USPS published its final rule, requiring the Election Mail markings, barcodes, and portal data submission, Talwani issued the August 27 restraining order now at the center of the Supreme Court fight.
The 1st Circuit Court of Appeals, the intermediate appellate court between Talwani and the Supreme Court, declined to pause her order. That refusal sent the administration straight back to the justices, the same court whose earlier ruling Talwani had technically complied with before blocking the next phase of implementation on different grounds.
The USPS rule did not appear in a vacuum. President Trump signed the underlying executive order in March 2026, directing federal agencies to take a series of steps aimed at tightening controls on mail-in voting. The order instructed the Department of Homeland Security to create lists of adult U.S. citizens in each state and send those lists to states at least 60 days before a federal election.
It also told the attorney general to "prioritize the investigation and, as appropriate, the prosecution of State and local officials... who issue Federal ballots to individuals not eligible to vote in a Federal election." And it required states to provide USPS with lists of voters to whom they intended to send mail ballots, prohibiting the Postal Service from mailing ballots to anyone not on the resulting "enrolled" voter lists. The administration has been active at the Supreme Court on multiple fronts this term, pressing appeals on issues ranging from military policy to executive authority.
Sauer framed the USPS rule as a straightforward exercise of that authority, the operational machinery needed to carry out the executive order's goals. The challengers frame it as an end-run around the Constitution, using postal regulations to impose federal control over a process the Founders left to the states.
Beyond the courtroom arguments, a whistleblower report warned that the new postal rules could result in millions of ballots never being sent to voters, Fox News reported. That claim, if accurate, would undercut the administration's position that the rule merely adds modest safeguards. It would also sharpen the stakes for the Supreme Court: a stay that allows the rule to take effect could mean some voters never receive their ballots, while a stay that blocks it could mean ballots circulate without the fraud-prevention measures the administration considers essential.
The justices now face a familiar dilemma in election-law cases, acting fast enough to matter, with incomplete information, on a question they have not fully decided. The challengers have until September 8 to respond. Talwani's restraining order expires September 14. And ballots in North Carolina were set to go out as early as September 4, one day after Sauer filed his application.
The Supreme Court has shown willingness this term to act quickly on the administration's emergency requests. Whether the justices intervene again here, and how fast, will determine whether states mail their ballots under the old rules or the new ones.
When a single district judge in Boston can stall a federal rule designed to prevent voter fraud while ballots are already hitting the mail, the system is not protecting election integrity, it is gambling with it.