Washington, September 8, 2026: The Trump administration has returned to the U.S. Supreme Court in an effort to revive new restrictions on mail-in voting before the November midterm elections, escalating a legal battle that could affect how millions of Americans cast their ballots.

The administration’s latest filing challenges a federal judge’s decision to block the U.S. Postal Service from enforcing key parts of President Donald Trump’s executive order targeting mail ballots. The dispute is unfolding as states have already begun preparing and sending absentee ballots to voters.

Third Supreme Court Request

The latest appeal marks the administration’s third request for Supreme Court intervention in the dispute.

Solicitor General John Sauer argued that the legal uncertainty created by the lower court’s injunction could cause confusion as election officials move deeper into the ballot-mailing process. North Carolina has already begun sending mail ballots, while Alabama and several other states were scheduled to begin soon.

The administration is asking the justices to immediately suspend the lower court’s order while the broader legal challenge continues.

Trump Executive Order Targets Mail Ballot Procedures

Trump signed Executive Order 14399 on March 31, directing federal agencies to take steps aimed at strengthening citizenship verification and what the administration described as election integrity.

Among other measures, the order instructed the Postal Service to establish procedures involving state-provided lists of voters approved to receive mail ballots. It also sought new requirements for ballot envelopes and delivery procedures.

The USPS subsequently issued a rule intended to put those requirements into operation for federal elections.

Under the proposed system, states would provide information about voters authorized to receive mail ballots, while the Postal Service would use that information in processing election mail.

Federal Judge Blocks Mandatory Enforcement

U.S. District Judge Indira Talwani issued a preliminary injunction on September 4 preventing the Postal Service from making key portions of its new rule mandatory for the November 3 election.

The judge’s ruling followed challenges brought by states and voting organizations. She concluded that implementing the changes so close to the election could create serious difficulties for election administrators and potentially prevent eligible voters from successfully casting ballots.

The ruling replaced an earlier temporary restriction and represented a significant legal setback for the administration.

States Warn of Election Disruption

State election officials have argued that changing mail-ballot procedures shortly before an election could create substantial administrative problems.

Election systems are typically prepared months in advance, including ballot designs, mailing schedules and voter databases. Officials challenging the federal rules say they do not have sufficient time to rebuild those systems around new federal requirements.

Reuters reported that the Postal Service’s new procedures include requirements involving verified voter lists and unique barcodes on ballot envelopes. Critics contend that imposing such requirements shortly before the election could lead to rejected or undelivered ballots.

Administration Defends Its Authority

The Trump administration maintains that the restrictions are reasonable measures designed to protect the integrity of election mail.

Officials argue that the Postal Service has authority to regulate how election-related mail is processed and that the new requirements do not determine who is legally eligible to vote.

The administration has also emphasized that states would continue to decide who qualifies for absentee or mail voting and which ballots ultimately count.

Its latest Supreme Court filing argues that leaving the lower court’s injunction in place while ballots are already entering the mail system could create uncertainty for states and voters.

Voting Groups Challenge the Rules

Voting-rights organizations and Democratic-led states strongly oppose the administration’s approach.

They argue that the federal government cannot use executive authority to impose major changes on state-administered election procedures. Critics also warn that errors in voter lists or ballot-processing systems could prevent legitimate ballots from reaching voters or being delivered properly.

The American Civil Liberties Union has described the Postal Service rule as unlawful and unconstitutional, while election officials have warned that there is too little time to implement the changes safely.

Supreme Court Faces Election-Time Decision

The Supreme Court has already considered aspects of the dispute but has not issued a final ruling on whether the administration’s mail-voting plan is legally valid.

The latest application puts the justices in the position of potentially deciding how the rules will operate while the 2026 election process is already underway.

That timing is particularly important because mail voting represents a significant share of ballots cast across the United States. Nearly one-third of American voters use mail ballots, according to AP.

Midterm Elections Raise the Stakes

The legal battle comes less than two months before the November 3 congressional elections, when control of both chambers of Congress will be at stake.

With states beginning to distribute ballots, the courts face increasing pressure to resolve the dispute quickly. A ruling that changes mail-ballot procedures after ballots have already been sent could create additional logistical challenges for election officials and voters.

For now, the lower court’s injunction remains a major obstacle to the administration’s effort to implement the new restrictions, while the Supreme Court considers its latest request.

The outcome could have consequences well beyond the current election cycle, potentially defining how much authority the federal executive branch has to influence procedures traditionally administered by states.