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FILE - Processed mail-in ballots are seen at the Bucks County Board of Elections office prior to the primary election in Doylestown, Pa., May 27, 2020. (AP Photo/Matt Slocum, File)

FILE - Processed mail-in ballots are seen at the Bucks County Board of Elections office prior to the primary election in Doylestown, Pa., May 27, 2020. (AP Photo/Matt Slocum, File)

FILE - This is an official Pennsylvania mail-in ballot in Pittsburgh, Oct. 3, 2024. (AP Photo/Gene J. Puskar, File)

FILE - This is an official Pennsylvania mail-in ballot in Pittsburgh, Oct. 3, 2024. (AP Photo/Gene J. Puskar, File)

FILE - A worker processes mail-in ballots at the Bucks County Board of Elections office prior to the primary election in Doylestown, Pa., May 27, 2020. (AP Photo/Matt Slocum, File)

FILE - A worker processes mail-in ballots at the Bucks County Board of Elections office prior to the primary election in Doylestown, Pa., May 27, 2020. (AP Photo/Matt Slocum, File)

FILE - A polling judge, right, helps guide a voter's ballot into a voting machine during the Pennsylvania primary election, at Mont Alto United Methodist Church in Alto, Pa., on May 17, 2022. (AP Photo/Carolyn Kaster, File)

FILE - A polling judge, right, helps guide a voter's ballot into a voting machine during the Pennsylvania primary election, at Mont Alto United Methodist Church in Alto, Pa., on May 17, 2022. (AP Photo/Carolyn Kaster, File)