(NewsNation) — The Supreme Court is set to hear arguments regarding a lawsuit over an Illinois law that allows the counting of ballots after Election Day.

The Court will not be weighing in on the law itself, but on the question of who is allowed to file a lawsuit over such policies.

Republican Rep. Mike Bost filed the suit, arguing that the law allowing ballots to be counted after Election Day, so long as they are postmarked by the deadline, is an illegal extension of voting.

Lower courts threw out the case, ruling that Bost did not have standing to bring the lawsuit because he was not specifically harmed.

Bost argued that campaigns suffer financial harm because they must staff their campaigns past Election Day while waiting for final results to be tallied.

The Illinois Board of Elect

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