The Trump administration has asked the Supreme Court to review an executive order that would grant the U.S. Postal Service (USPS) broad authority to regulate mail-in ballots. This move represents the latest development in a rapidly escalating legal battle over the enforcement of new USPS rules for absentee voting, just ahead of upcoming midterm elections.

Lawyers for the administration submitted their appeal to the Supreme Court on Thursday, bypassing the 1st Circuit U.S. Court of Appeals. The dispute centers on a new USPS portal designed to compare mail-in ballots against a centralized database of registered voters, which is compiled from information provided by all U.S. states.

The administration characterized the new rules as "modest envelope-design and addressee-information requirements," asserting in their filing that they "plainly do not seize control of states’ administration of elections." They further argued that the rules "simply impose reasonable preparation requirements for certain election-related mail."

However, the program has faced significant criticism, including a whistleblower report that alleged problems at "every stage" of the USPS effort to develop the technical system. Concerns are amplified by a USPS policy of "zero-percent failure" that accompanied the portal, which the whistleblower report indicated could lead to a substantial number of ballots being rejected without recourse for voters to appeal.

This eleventh-hour legal push coincides with President Donald Trump's broader efforts to increase federal oversight of voting processes and to task the USPS with additional responsibilities in managing mail-in voting. The timing is particularly critical as some states are set to begin mailing out ballots within days, with North Carolina slated to start Friday and Alabama the following week.

Legal Challenges and Operational Uncertainty

Adding to the scrutiny, Trump administration officials acknowledged in court filings less than a week prior that they were uncertain whether the USPS program was operational at that time. This admission further fuels concerns about the system's readiness and the potential for disruptions in the mail-in voting process.

The administration's appeal to the Supreme Court seeks to resolve these issues at the highest judicial level, aiming to establish a definitive ruling on the scope of USPS authority over election-related mail before crucial deadlines for ballot distribution pass.

An election worker processes mail-in ballots at the Los Angeles County Ballot Processing Center in June 2026