Why the Supreme Court blocked Trump and the Postal Service from restricting mail-in voting for the midterms
An election law scholar explains the president’s effort to dramatically limit mail voting ahead of the midterm elections – and why the court decided to block it.
The U.S. Supreme Court has ruled to block President Donald Trump's attempt to restrict mail-in voting for the 2026 midterm elections. The administration's plan, which required the U.S. Postal Service to implement uniform ballot and envelope requirements and provided states with lists of voters eligible to vote by mail, was deemed unconstitutional by a 7-2 decision.
The court ruled that state officials and voting rights organizations had standing to challenge the rules, as they were affected by them. The controversy began in March 2026 when Trump issued an executive order aimed at ensuring "integrity in federal elections." The ruling blocks the USPS from accepting mail ballots that do not comply with the new requirements and prevents the USPS from not delivering ballots that are sent by ineligible individuals.
The decision comes after widespread confusion among election officials over the implementation of the new rules.
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