A whistleblower within the U.S. Postal Service has alleged that a new mail-ballot processing system implemented at the direction of the Trump administration is flawed and could cause significant disruptions to the upcoming midterm elections, according to multiple reports published Tuesday. The complaint raises questions about the reliability of mail-in ballot delivery at a time when millions of Americans are expected to vote by mail.

The whistleblower, whose identity has not been publicly confirmed, reportedly submitted concerns through official channels describing technical and operational deficiencies in the system. The allegations suggest the system may struggle to handle the volume of mail-in ballots expected during the midterms, potentially delaying or misrouting ballots in key races.

The USPS system at issue was ordered as part of a broader Trump administration effort to restructure how the postal service handles election mail. Critics have long warned that changes to postal operations close to an election cycle carry elevated risks. Election officials in several states have previously flagged concerns about mail-ballot processing timelines under the revised infrastructure.

The disclosure arrives as both parties have traded accusations over election integrity practices ahead of November's contests. Disputes over voter roll maintenance, ballot drop boxes, and mail-voting procedures have intensified in several competitive states, with campaigns on both sides alleging procedural irregularities by their opponents.

Federal election law requires ballots postmarked by Election Day to be counted in many jurisdictions, meaning processing delays at USPS facilities could directly affect outcomes in close races. Election administrators have been urged by advocacy groups to develop contingency plans in the event of systemic mail disruptions.