The U.S. Supreme Court has scheduled oral arguments for 8 October 2025 in a Judicial Watch lawsuit that challenges an Illinois statute permitting election officials to count mailed ballots received up to 14 days after federal Election Day. Filed on behalf of Republican Congressman Mike Bost and two 2020 presidential electors, the case asks the justices to decide whether candidates have standing to contest state election rules they believe conflict with the federally mandated single Election Day—the first Tuesday after the first Monday in November. Lower courts dismissed the suit for lack of standing, prompting Judicial Watch to seek high-court review. In its brief, the conservative watchdog group argues that extending ballot deadlines diminishes election integrity and burdens candidates who must campaign beyond the statutory voting period. Illinois officials maintain that the extension protects voters whose mail ballots face postal delays. The forthcoming hearing could clarify how far states may depart from the federal timetable and how readily political candidates can bring legal challenges to those deviations—a ruling likely to shape litigation ahead of the 2026 midterms.