Conservative justices question counting late-arriving mail ballots in Mississippi case

High court case may alter voting deadlines nationwide, with an impact on overseas voters
Conservative justices raised concerns about counting mail-in ballots received after Election Day, citing potential effects on public confidence in the electoral process (Getty Images)
Conservative justices raised concerns about counting mail-in ballots received after Election Day, citing potential effects on public confidence in the electoral process (Getty Images)

WASHINGTON, DC: The Supreme Court of the United States heard arguments on Monday, March 23, on whether states can count mail-in ballots that are postmarked by Election Day but arrive afterward.

The case centers on a Mississippi law allowing such ballots to be counted within a specified window.

During oral arguments, several conservative justices expressed skepticism about the practice.

The outcome could have significant implications for election procedures across multiple states ahead of the upcoming federal elections.

Conservative justices question legality of late-arriving ballots

At the center of the case is a Mississippi statute that permits election officials to count mail-in ballots received up to five days after Election Day, provided they are postmarked on time.

The challenge, backed by the Republican National Committee and supported by President Donald Trump’s administration, argues that federal law setting a uniform Election Day prohibits counting ballots received after that date.

President Donald Trump participates in a roundtable discussion on public safety at a Tennessee Air National Guard Base, Monday, March 23, 2026, in Memphis, Tenn. (AP Photo/Mark Schiefelbein)
Trump participates in a roundtable discussion on public safety at a Tennessee Air National Guard Base, Monday, March 23, 2026, in Memphis, Tenn (AP Photo/Mark Schiefelbein)

Several conservative justices indicated concerns about the policy. Justice Samuel Alito questioned whether Congress established a single Election Day “for the purpose of combating fraud or the appearance of fraud,” suggesting that late-arriving ballots could undermine confidence in election outcomes.

Similarly, Justice Brett Kavanaugh asked whether concerns about public trust in elections should factor into the court’s analysis. “Is that a real concern? Is that something we should be thinking about, confidence in the election process?” he said during arguments.

WASHINGTON, DC - OCTOBER 21: Associate Supreme Court Justice Clarence Thomas speaks at the Heritage
Associate Supreme Court Justice Clarence Thomas speaks at the Heritage Foundation on October 21, 2021, in Washington, DC. He has now served on the Supreme Court for 30 years. He was nominated by former President George H W Bush in 1991 and is the second African-American to serve on the high court, following Justice Thurgood Marshall (Photo by Drew Angerer/Getty Images)

Other conservative justices, including Justices Neil Gorsuch and Clarence Thomas, also appeared skeptical of Mississippi’s position.

Justice Amy Coney Barrett noted that while there are “really good policy reasons” to require ballots to arrive by Election Day, she remained uncertain whether federal law explicitly bars states from accepting ballots afterward.

Trump and Republican groups have repeatedly argued, without evidence, that such systems increase the risk of fraud, while states have defended their procedures as lawful and necessary to ensure voter access.

Liberal justices defend state authority, warn of broader impact

The court’s three liberal justices emphasized the authority of states to administer elections, arguing that federal law establishes the date of the election but does not dictate how ballots are processed afterward.

Justice Ketanji Brown Jackson suggested that the case raises policy questions more appropriate for lawmakers. “The worry is that you want this court to decide the case rather than have Congress do it,” she said to attorney Paul Clement, who represented the RNC.

Ketanji Brown Jackson speaks on stage during the 'Ketanji Brown Jackson on Lovely One: A Memoir' panel for The Atlantic Festival 2024 on September 20, 2024, in Washington, DC (Paul Morigi/Getty Images for The Atlantic)
Ketanji Brown Jackson speaks on stage during the 'Ketanji Brown Jackson on Lovely One: A Memoir' panel for The Atlantic Festival 2024 on September 20, 2024, in Washington, DC (Paul Morigi/Getty Images for The Atlantic)

Justice Elena Kagan raised concerns about the broader implications of limiting states’ flexibility, particularly regarding early voting practices widely used across the country.

“It just seems inconceivable that on the basis of this kind of evidence, we would reject these practices that are so entrenched in 30 states,” she said.

U.S. Supreme Court Justice Elena Kagan accused her conservative colleagues of overstepping their bounds (Getty Images)
US Supreme Court Justice Elena Kagan accused her conservative colleagues of overstepping their bounds (Getty Images)

The outcome of the case could affect not only Mississippi but also at least a dozen other states with similar laws, including California, New York, and Texas.

It may also have implications for military personnel and overseas voters, many of whom rely on extended deadlines to ensure their ballots are counted.

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