Counties in Pennsylvania are directed to not count illegal ballots, the state’s top court said in a ruling issued Monday.

The Pennsylvania Supreme Court on Monday rebuked Democratic-controlled elections boards that counted undated and misdated mail ballots, siding with Republicans and reiterating that such votes

"County officials in each of our 67 counties were damned if they did and damned if they didn’t – likely facing legal action no matter which decision they made on counting," Gov. Josh Shapiro said.

The Pennsylvania Supreme Court has directed county officials not to count mail ballots for the general election that arrived on time but in envelopes missing the correct date handwritten by voters.

The Pennsylvania Supreme Court issued the latest — and likely final — ruling in the legal fight over mail-in ballots that may impact the results of the U.S. Senate election.

The Pennsylvania Supreme Court on Monday forbade counties from counting misdated or incorrectly dated mail-in ballots — which election boards in Bucks and Montgomery counties and Philadelphia had voted to accept.

Court's order was in response to petitions filed by Republican National Committee over attempts by some county board of elections to flout the state's election law and prior court orders. More than one thousand ballots were at stake in the offending counties.