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Cover art for A federal appeals court just blocked Trump's order to tighten mail-in voting and citizenship verification

A federal appeals court just blocked Trump's order to tighten mail-in voting and citizenship verification

July 26, 2026 · 9 min

Iris Holm & Otis Kim

A federal appeals court voted 2-1 on July 25 to affirm the injunction blocking Trump's Executive Order 14399, which would have directed DHS to build a citizen voter list and instructed USPS to refuse mail ballot delivery. The dissent is cert bait — and SCOTUS review before November 2026 could erase the ruling entirely.

On July 25, 2026, the Boston-based 1st U.S. Circuit Court of Appeals ruled 2-1 to uphold a lower court injunction blocking key provisions of President Donald Trump's Executive Order 14399, titled "Ensuring Citizenship Verification and Integrity in Federal Elections," signed March 31, 2026.

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About this episode

A federal appeals court blocked Trump's Executive Order 14399 on July 25th, upholding a preliminary injunction covering 23 states and D.C. Most coverage framed it as a straightforward loss for the administration. This episode argues that framing misses the more important signal: the 2-1 vote, and what the lone dissent actually said. The order itself is worth understanding mechanically before getting to the courts. EO 14399 directs DHS and SSA to cross-reference citizenship and Social Security records to build a verified voter list that doesn't currently exist at operational scale, then instructs USPS to refuse mail ballot delivery to anyone not on it. The episode works through why that structure runs into the Elections Clause — and why the dissenting judge's objection wasn't about constitutional merits at all, but about whether the majority moved too fast before fully briefing Congress's potential statutory role. That distinction matters enormously for what comes next. The administration has signaled it's pursuing Supreme Court review, and a circuit-level disagreement on a contested legal standard is close to a textbook argument for cert. The episode also tracks the practical stakes: if SCOTUS reverses before November 2026, election offices in 23 states and the Postal Service have about eight weeks to respond to an instruction to check against a database that isn't built. And states outside the coalition that sued may already be operating under different rules. The injunction's geographic limits aren't incidental — they're baked into how injunctive relief works when not everyone shows up to sue.

Frequently asked

Did the federal appeals court block Trump's mail-in voting order?

Yes. The 1st Circuit affirmed the injunction blocking Executive Order 14399 on July 25, voting 2-1. The injunction covers 23 Democratic-led states plus D.C. that sued. Judge Joshua Dunlap dissented on procedural grounds, arguing the majority acted before full briefing on whether Congress had already granted the executive authority.

What does Trump's Executive Order 14399 actually require?

Executive Order 14399, signed March 31, directs DHS and SSA to cross-reference citizenship, naturalization, and Social Security records to build a verified citizen voter list from scratch. It then instructs USPS to refuse mail ballot delivery to anyone not on that list — a database that does not yet exist at operational scale.

Why did Judge Dunlap dissent from the 1st Circuit's ruling on Trump's mail-in voting order?

Judge Joshua Dunlap's dissent was procedural, not ideological. He argued the majority moved too fast without full briefing on whether Congress had already authorized the executive to act. Dunlap found the first prong of the appellate stay standard — likelihood of success on the merits — at least arguable, which analysts call a signal for Supreme Court review.

Which states are protected by the injunction blocking Trump's mail-in voting order?

The injunction blocking Executive Order 14399 covers 23 Democratic-led states plus Washington D.C. — the jurisdictions that filed suit. States outside that coalition may still face exposure to parts of the order's logic, creating a geographic patchwork where mail ballot protection depends on whether a state's attorney general litigated.

Could the Supreme Court reverse the mail-in voting injunction before the 2026 midterms?

The Trump administration has signaled it will seek Supreme Court review, and a 2-1 circuit split with a procedural dissent is a strong basis for certiorari. If SCOTUS reverses the injunction in August or September, election offices in 23 states and USPS would have roughly eight weeks to comply before November 2026 ballots are due.

Grounded in 8 sources
U.S. appeals court rules Trump cannot implement mail-in voting order · cnbc.com
Appeals Court Upholds Blocks on Trump Order Restricting Mail Voting · nytimes.com
Trump attorney general plots crackdown on ‘birth tourism’ after supreme court ruling - The Guardian · theguardian.com
Appeals court upholds injunction on President Trump’s mail-in voting order · thehill.com
Appeals court blocks Trump order on mail-in ballots ahead ... · usatoday.com
United States Court of Appeals · ca1.uscourts.gov
Federal appeals court rejects Trump bid to enforce mail ... · foxnews.com
Voting Rights Groups Applaud Ruling Declaring 2026 Executive Order ... · aclu.org
Read transcript

Otis Kim: Iris, hey — tell me you saw the coverage on this one, because I have been staring at headlines all morning and almost every single one is wrong.

Iris Holm: Which part's wrong.

Otis Kim: The framing. Everyone's running 'courts block Trump' and celebrating — but okay, hand me that ruling and look at the actual vote count. The 1st Circuit, July 25th, blocks the injunction two to one. Two to one. That one vote against? That's a Trump appointee. Judge Joshua Dunlap found a credible legal hook for the administration. And somehow that's the footnote.

Iris Holm: Right. The dissent is the story.

Otis Kim: It's the whole story. Because if we're talking about where Executive Order 14399 goes next — Trump signed it March 31st, it tells DHS to build a verified citizen voter list, tells USPS to refuse mail ballot delivery if you're not on it — the question isn't whether Judge Talwani's injunction held. It held. Twenty-three states plus D.C. sued, they won below, they won on appeal. Fine. The question is what Dunlap's dissent signals about where this lands at the Supreme Court.

Iris Holm: And the DOJ is already signaling cert. So.

Otis Kim: Exactly — which is why calling this a win feels, I don't know, premature? Like celebrating that you blocked a field goal when there's still four minutes left and the other team has timeouts.

Iris Holm: The injunction isn't a wall. It's a delay with an expiration date nobody wants to name.

Otis Kim: But before we get to SCOTUS — I want to pump the brakes on Dunlap for a second, because I think we skipped over what the order actually tried to do. Like, mechanically. Because that part is wild.

Iris Holm: Go ahead.

Otis Kim: EO 14399 tells DHS and SSA to cross-reference citizenship records, naturalization records, Social Security data — build a verified citizen voter list from scratch. That list does not exist. Not at this scale. And then USPS is supposed to refuse mail ballot delivery to anyone not on it. So we're blocking ballots based on a database that hasn't been built yet.

Iris Holm: That's the mechanism. And here's why it's constitutionally explosive — think of it this way. Your landlord can't call your employer and dictate your work schedule. He doesn't have that authority. The Elections Clause gives states the power to run federal elections. Congress can override that. The president cannot. Unilaterally directing DHS to build voter infrastructure and USPS to block ballots based on it — that's the landlord calling the employer.

Otis Kim: Wait — so it's not even about whether citizenship verification is a good idea. It's about who has the power to order it.

Iris Holm: Exactly. Article I, Section 4. States set the time, place, manner. Congress can step in. The executive branch acting alone — no statutory authority, no Congressional mandate — that's where Judge Talwani landed on June 25th. The provisions are unconstitutional on their face.

Otis Kim: Okay but then — actually, this is the part that doesn't fit for me — Dunlap dissented. And he's a Trump appointee, so you'd expect him to just sign off, but his actual argument was procedural. He thought the majority moved too fast without full briefing on whether Congress had already given the executive some of this authority.

Iris Holm: Right. That's the statutory seam. And it's real — I'm not dismissing it. But the Elections Clause problem doesn't disappear just because there might be a congressional hook somewhere. The infrastructure still doesn't exist. DHS and SSA aren't running a citizenship verification system at the scale this order requires. That's not a legal gap; that's a physical one.

Otis Kim: So Dunlap's dissent might be technically sound and operationally irrelevant at the same time.

Iris Holm: Technically sound and operationally irrelevant — that's actually the right frame, but I'd push it one step further. Dunlap's dissent wasn't ideological. It was specifically procedural. The DOJ argued that naming senior administration officials in the injunction raised separation-of-powers issues requiring fuller briefing before any block took effect. Dunlap bought that. Not the constitutional merits — the sequencing.

Otis Kim: Wait — he wasn't saying the order was legal. He was saying slow down.

Iris Holm: Correct. And that matters enormously for SCOTUS, because the appellate stay standard — likelihood of success on the merits, irreparable harm, balance of equities — the 1st Circuit majority found none of those met. Dunlap found at least the first one arguable. That's a circuit-level disagreement on a contested legal standard, which is almost textbook cert bait.

Otis Kim: And then you layer on Trump v. Barbara — June 30th, five days after Talwani's injunction — a court that just rewrote birthright citizenship doctrine is not going to wave off a 2-1 split on executive election authority.

Iris Holm: What strikes me is the same court, same term, actively redrawing the citizenship boundary. The 1st Circuit's constitutional reasoning doesn't survive that context unchanged.

Otis Kim: Okay but — actually, I want to make the case for the dissent being right on its own terms for a second. Picture a county clerk in Worcester, Massachusetts. November 3rd, 2026. She's already processed four thousand mail ballot requests. Dunlap's argument is essentially: you locked in a national election procedure before we even briefed whether Congress authorized any of this. That's a reasonable objection.

Iris Holm: It is reasonable. Which is exactly why Democracy Docket applauding the ruling as a clean win makes me nervous. It isn't clean. The dissent proves there's a genuine statutory seam the majority chose not to close.

Otis Kim: So the hot take holds — partially. Dunlap wasn't a loyalist. He found real procedural ground. That's the kernel.

Iris Holm: Partial win. And the part that comes later makes this considerably worse — because if SCOTUS reverses this in August or September, what's sitting underneath the legal question is a logistics problem that 23 state election offices and the Postal Service have about eight weeks to solve.

Otis Kim: Eight weeks. That's the actual number. And I want to make it concrete — picture a 67-year-old in Boston who mailed her ballot request in September 2026. SCOTUS reverses in late August. USPS is now instructed to check against a DHS list that, I mean, doesn't exist at operational scale yet. What does her carrier do with the ballot?

Iris Holm: The carrier does nothing — because there's no system to check against. That's the mechanism. DHS and SSA were directed to build citizenship verification infrastructure from scratch. It isn't built. So USPS gets a legal instruction it literally cannot execute.

Otis Kim: Her ballot is just — in limbo.

Iris Holm: Legally unresolved. Eight weeks before the November 2026 midterms. Which — the stakes there aren't abstract. Both chambers of Congress.

Otis Kim: And Democracy Docket and the ACLU are applauding a ruling that could evaporate before the ballots even print.

Iris Holm: They called it provisional. To their credit. But 'provisional' is doing enormous work in that sentence.

Otis Kim: Actually — okay, is the calibrated take just this: the 1st Circuit win is real, the injunction is real, and it means nothing permanent until SCOTUS passes on it? Because the administration has already signaled cert.

Iris Holm: That's it. The preliminary injunction blocks EO 14399 while litigation proceeds — full stop. A cert grant and reversal erases it entirely. So the real deadline isn't the court calendar. It's the election calendar. And those two calendars are about to conflict badly.

Otis Kim: The legal question becomes a logistics catastrophe with a hard date on it. November 2026 doesn't move.

Iris Holm: And it doesn't move equally across the country. That's the part worth sitting with. The injunction covers 23 Democratic-led states plus D.C. — the ones that actually filed. States outside that coalition may still be subject to parts of EO 14399's logic. So the patchwork isn't a bug. It's a structural consequence of who showed up to sue.

Otis Kim: Right — and that's actually kind of absurd when you say it plainly. Whether your mail ballot gets delivered in 2026 may depend on whether your state's attorney general had the right lawyers ready in April. Not on the Constitution. Not on the Elections Clause. On staffing and litigation capacity.

Iris Holm: That's where I land, frankly. The block is real. The 1st Circuit ruling is real. Dunlap's dissent is real, and it's cert bait. But underneath all of it — the thing I keep wanting someone to say out loud — is that geographic incompleteness is built into the remedy. You don't have a national standard. You have 23 states with a court shield and everyone else waiting.

Otis Kim: I mean — yeah. That's the honest landing. I came in wanting the dissent to be the whole story and it's not. The dissent matters, the cert signal matters, but the injunction geography is its own quiet problem. Half-concession.

Iris Holm: Good place to stop.

A federal appeals court just blocked Trump's order to tighten mail-in voting and citizenship verification · Onpode