How long should election day really last, and who gets to say? In Bost v. Illinois State Board of Elections, the Supreme Court used a fight over late‑arriving mail ballots to redraw the line on who can get into federal court to challenge the rules of the game.
A Fight Over Mail-In Ballot Timelines
Illinois statutes require election officials to count mail‑in ballots that are postmarked (or otherwise certified) no later than election day, even if they don’t actually arrive by then. The laws give a two-week window after election day for these ballots to be delivered. So long as they are received within the same period used to count provisional ballots, they’re supposed to be counted.
But some politicians were not a fan of this arrangement. Congressman Bost is a long‑time elected official from Illinois’s 12th Congressional District. In 2022, he was running for office along with Laura Pollastrini and Susan Sweeney. These candidates viewed the extended receipt-and-counting period as flatly inconsistent with federal statutes, specifically, 2 U.S.C. §7 and 3 U.S.C. §1.
In May 2022, Bost, Pollastrini, and Sweeney sued the Illinois State Board of Elections and its executive director in federal court. They argued that federal law requires choosing Members of Congress and presidential electors on a single November election day. They claimed Illinois’s fourteen‑day mail‑ballot window unlawfully extended the election and undermined that uniform date. The complaint framed this as a concrete disruption of the contest’s rules, asserting a right to certification based only on votes cast and received by election day. They also said their campaign strategies and resource allocation relied on that legal framework.
Bost alleged that Illinois’s rule forced him to continue campaigning during what should have been a post‑election period, because late‑arriving ballots could still influence results and public perception. He asserted that his campaign had to spend additional money, time, and volunteer effort to monitor late‑processed ballots, including sending poll watchers to observe their handling and to challenge ballots with missing information, signatures, dates, or postmarks.
He further claimed that counting such late ballots could cause him to lose or narrow his victory margin, harming his reputation with voters, donors, party leaders, and future opponents. The plaintiffs argued that candidates have a distinct interest in a lawful, fair electoral process and that counting what they viewed as untimely ballots deprived them of the chance to compete under procedures consistent with the federal election‑day framework.
Lower Courts Say “No Standing”
The federal district court dismissed the lawsuit, holding that Bost, Pollastrini, and Sweeney lacked Article III standing to sue. The court reasoned that the monitoring and campaign costs were voluntary expenses; the plaintiffs incurred those costs to avoid a hypothetical defeat in the future. The judge also pointed out that Bost had previously won with 75% of the vote. The court therefore rejected the plaintiffs’ claim of “competitive injury.”
The candidates appealed, and the Seventh Circuit affirmed on the same standing grounds. Finally, the plaintiffs took the matter to the U.S. Supreme Court, which heard oral arguments last October. Last Wednesday, SCOTUS delivered its final decision, but it didn’t reach the merits. The High Court did not decide whether Illinois’s ballot‑receipt rule is lawful; it decided only that Congressman Bost can bring the challenge in federal court.
Roberts Redraws the Standing Line
In a majority opinion by Chief Justice Roberts, the Court held that, as a candidate, Bost has Article III standing to contest the rules governing how votes are counted in his own election.
The Court emphasized that an unlawful election rule can harm a candidate in several concrete ways, even before anyone knows who will win. Such a rule might require a candidate to spend additional money, time, and staff resources to protect the campaign’s interests while votes are counted (for example, by extending campaign operations or deploying poll watchers longer). It might also change the outcome or narrow the candidate’s margin of victory–which can affect how constituents, party leaders, donors, and future opponents perceive that candidate’s political strength and job performance. The Court treated this kind of reputational harm as a classic Article III injury, particularly serious for officials whose positions depend on public confidence.
From there, the Court drew a sharper distinction between candidates and ordinary voters. It explained that while voters have a general interest in accurate elections, candidates have a different and more particularized stake in the fairness and legality of the rules that define their contests. Candidates invest substantial effort to “voice the will of the people,” so they are uniquely harmed when the process departs from the law. Defects such as counting unlawful ballots or discarding lawful ones undermine both the accuracy of the result and the winner’s democratic legitimacy. The majority illustrated this with hypotheticals, like deciding elections by coin flip or randomly discarding 10% of votes. Even if those changes did not alter the winner, they would still injure every candidate by denying a fair opportunity to compete.
No Need to Prove a Nail‑Biter
The Court rejected the idea that a candidate must show a substantial risk of actually losing, missing a vote threshold, or suffering proven competitive harm to have standing. The majority said such a requirement would push candidates to sue only right before an election or even after votes are counted, when effects are clearer. That timing would conflict with the Court’s warnings against last‑minute rule changes and “count first, rule later” decisions that undermine public confidence in election results.
The Court also warned that linking standing to predictions about outcomes or vote share would turn judges into political forecasters. Judges would be forced to make speculative predictions “as to which neither judges nor anyone else can have any confidence.”
Instead, the Court held that Article III is satisfied when a candidate challenges rules governing the counting of votes in his own election. A candidate has a concrete, particularized interest in the integrity of that process, even without proof that the rule will change the outcome. On that basis, the Court found that Congressman Bost had standing, reversed the Seventh Circuit’s dismissal, and sent the case back for further proceedings on the legality of Illinois’s ballot‑receipt rule.
Upshot for Future Election Fights
So, SCOTUS held that a candidate has Article III standing to challenge the rules that govern the counting of votes in his or her own election because: “[c]andidates have a concrete and particularized interest in the rules that govern the counting of votes in their elections, regardless whether those rules harm their electoral prospects or increase the cost of their campaigns.” The Court reversed the Seventh Circuit and sent the case back, so lower courts must now evaluate the legality of Illinois’s ballot‑receipt rule under this expanded understanding of candidate standing.
In practical terms, this means that any serious candidate now has a much clearer path into federal court to challenge the rules that govern vote counting in their own race. Going forward, the key question will not be whether a rule can be shown in advance to flip an outcome, but whether it changes the legal framework of the contest in ways that concretely affect how candidates run and how voters perceive the legitimacy of the result.
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