The ruling is a major victory for Republican Senate candidate David McCormick, who holds a very narrow lead over Democratic Sen. Bob Casey ahead of a statewide recount.

Pennsylvania’s state Supreme Court is weighing in on a flashpoint amid ongoing vote counting in the U.S. Senate election between Democratic Sen.

Gov. Josh Shapiro (D-PA) sided with the Pennsylvania Supreme Court in its ruling that faulty mail-in ballots can’t be counted. Four Pennsylvania counties openly disregarded a ruling from the highest state court that ballots without signatures or dates cannot be counted,

In a win for Republican Senator-elect Dave McCormick, the Pennsylvania Supreme Court affirmed in a ruling on Monday that counties cannot count mail-in and absentee ballots that have missing or incorrect dates or signatures,