GOP Attorneys General Appeal Ruling Blocking Trump Mail Voting Rule

Twelve Republican state attorneys general on Thursday launched an appeal of a federal judge's ruling in Washington, D.C., that blocked a Trump administration rule tightening identification and data-sharing requirements for mail ballots ahead of the 2028 election.^[1]

The GOP-led states are asking the D.C. Circuit to overturn U.S. District Judge Carl Nichols' nationwide preliminary injunction, which found that the U.S. Postal Service likely lacks clear legal authority to demand voter-name-and-address lists from states as a condition for delivering ballot envelopes.^[1] Election officials and voting-rights groups say reviving the rule, which also imposes new labeling requirements on ballot mail, could again threaten disruptions if it is reinstated close to a federal election.^[1]

Nichols, a Trump appointee on the D.C. federal bench, issued his injunction in September, concluding that no existing federal statute clearly authorizes USPS to force states to share voter rolls or to condition ballot delivery on compliance with those data and tagging requirements. He ruled that states and advocacy groups challenging the policy were likely to succeed on their claim that the Postal Service had overstepped its powers, and he froze the rule nationwide while the case proceeds. The Trump administration's Justice Department faces a Friday deadline to decide whether it will separately appeal Nichols' broader injunction, adding uncertainty over whether the federal government itself will join or sidestep the GOP states' effort.

The Postal Service rule at the center of the fight was finalized in late August 2026, after Donald Trump returned to the White House promising to tighten mail voting rules he has long attacked as vulnerable to fraud.^[1] The policy would require states to transmit up-to-date lists of voters' names and addresses to USPS and to apply a special barcode or label to ballot envelopes, which postal officials argued would help track election mail and weed out improperly addressed or ineligible ballots. State election administrators from both parties warned that the last-minute changes risked delays, confusion at local election offices, and possible rejection or non-delivery of valid ballots, particularly for voters who move frequently or rely heavily on mail voting.^[1]

A separate legal challenge in Massachusetts produced an earlier roadblock: in September, U.S. District Judge Indira Talwani blocked the rule from taking effect for the 2026 midterms, and the Supreme Court declined the Trump administration's request to pause her order.^[1] Justice Brett Kavanaugh, writing for the Court, suggested that while the administration had not justified an abrupt rollout before the midterms, the rule might still fall within USPS's authority after full briefing and argument, a signal that keeps the underlying legal question alive even as the practical deadline for 2026 has passed.^[1]

With the midterm calendar now behind them, Republican attorneys general are turning their attention to 2028, arguing that a long runway will give states time to comply and will strengthen what they describe as election integrity safeguards for mail voting.^[1] Voting-rights advocates counter that building a federal ballot-mail regime around voter-roll data sharing would entangle USPS in election administration decisions that have traditionally been left to states and could disproportionately affect voters who rely on absentee or mail ballots, including military members, people with disabilities, and those in rural areas.^[1] The appeals now moving forward in Washington and the unresolved stance of the Justice Department ensure that the scope of the Postal Service's role in policing mail ballots will remain a major legal and political flashpoint as the next presidential election cycle approaches.

1. NPR