USPS finalizes mail-in ballot rule amid court injunction

The U.S. Postal Service has finalized a new rule requiring states to submit voter information and use tracking barcodes for mail-in ballots, a move that could reshape election procedures but remains blocked by a federal court injunction. The regulation, published on August 26, 2026, stems from a March 31 executive order by President Donald Trump aimed at enhancing election integrity. However, its implementation depends on the Supreme Court lifting a preliminary injunction issued by a federal judge in Massachusetts. Under the rule, states that use the Postal Service to deliver mail-in ballots must enroll voters in a new federal "Mail-In and Absentee Participation List.