Supreme Court Allows Late-Arriving Mail Ballots
The Supreme Court has ruled that states may count some mail ballots received after Election Day, rejecting a Republican challenge backed by Donald Trump’s administration.
The 5-4 decision upheld Mississippi’s rule allowing mail ballots to be counted if they are postmarked by Election Day and received within five business days afterward.
The ruling is a setback for Trump and Republican officials who argued federal law requires ballots to arrive by Election Day itself.
Supreme Court Upholds Mississippi Ballot Rule
The case, Watson v. Republican National Committee, centered on how federal Election Day statutes apply to mailed ballots.
Republicans argued that a ballot is not legally cast unless it is received by Election Day.
Mississippi defended its grace-period law, which counts ballots postmarked on or before Election Day if they arrive within five business days.
Justice Amy Coney Barrett wrote the majority opinion, joined by Chief Justice John Roberts and the court’s three liberal justices.
The majority concluded that federal Election Day law sets the day voters must make their choice, but does not require every mailed ballot to be physically received that same day.
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Trump Administration Loses Mail Voting Argument
The Trump administration had supported the challenge, arguing that Election Day receipt promotes voter confidence and election integrity.
Trump has repeatedly attacked mail voting and has pushed for stricter national rules on mail ballots, voter identification and proof of citizenship.
In March, the White House issued Executive Order 14399, directing the Postal Service to begin rulemaking on mail-in and absentee ballots for federal elections.
That order told USPS to consider rules tied to ballot-envelope identifiers, state voter lists and mail ballot participation records.
The Supreme Court ruling does not decide the legality of that executive order.
But it does weaken one part of the broader political push: the claim that federal Election Day statutes already bar states from counting properly postmarked ballots that arrive later.
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Dissent Warns of Election-Day Delay
Justice Samuel Alito wrote the dissent, joined by Justices Clarence Thomas, Neil Gorsuch and Brett Kavanaugh.
The dissent argued that accepting late-arriving ballots effectively postpones the date on which the electorate’s choice is made.
Alito also warned that late-arriving ballots could create fraud concerns and weaken confidence in election outcomes.
The majority rejected that reading of the federal statutes.
Its position was narrower: Congress chose language setting Election Day, but did not add a receipt deadline for ballots already cast by voters through state-authorized mail procedures.
That legal distinction now controls the immediate case.
States remain free to set earlier receipt deadlines if they choose, but federal law does not force every state into an Election Day arrival rule.
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Ruling Matters Before Midterms
The decision could affect voting rules in more than a dozen states that allow some mail ballots to arrive after Election Day.
Those rules vary by state.
Some require postmarks. Some apply only to specific categories of voters. Others set short receipt windows after polls close.
The political stakes are high because mail voting rules can shape close contests, especially in states with large absentee voting systems, rural voters, overseas voters or delayed postal delivery.
The ruling does not require states to count late-arriving ballots.
It says they may do so if state law allows it and the ballot was cast under the state’s rules by Election Day.
For Trump and the Republican National Committee, the defeat keeps one major mail-voting challenge from becoming a national receipt-deadline rule before the midterms.
For election officials, it preserves state flexibility while leaving room for new fights over USPS rules, voter-list requirements and future legislation.
TL;DR
- The Supreme Court ruled 5-4 that states may count some mail ballots received after Election Day.
- The decision upheld Mississippi’s rule for ballots postmarked by Election Day and received within five business days.
- Justice Amy Coney Barrett wrote the majority opinion.
- Justice Samuel Alito led the dissent.
- The ruling rejects the argument that federal law requires Election Day receipt.
- The decision could affect ballot deadlines in several states before the 2026 midterms.
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Politics & World News Editor
James Mitchell has covered US and UK politics for over a decade, with a focus on elections, foreign policy, and Capitol Hill. He breaks down complex political stories into clear, fast analysis.
