Nov. 10 (UPI) -- The nation's high court will decide if mail-in ballots need to be submitted by Election Day in a ruling that could affect the 2026 midterm election.

On Monday, the U.S. Supreme Court agreed to weigh in on whether individual states can accept mail-in ballots sent on Election Day, in a bid by Mississippi GOP leaders to overturn a similar state law.

"The stakes are high: ballots cast by -- but received after -- Election Day can swing close races and change the course of the country," Mississippi's Attorney General Lynn Fitch, a Republican, wrote in court documents.

Mississippi election law permits mail-in ballots received after Election Day to be counted.

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