State of California v. USPS — First Circuit kept the November 2026 ballot-mail rule partly blocked

Case
League of Women Voters of Massachusetts, et al. v. Donald J. Trump, et al.; State of California, et al. v. U.S. Postal Service, et al.
Court
U.S. Court of Appeals for the First Circuit
Judge
Gelpí; Rikelman; Aframe
Date Decided
September 10, 2026
Docket No.
Nos. 26-2029, 26-2030, 26-2031, and 26-2032
Topics
Election Law; Voting by Mail; Preliminary Injunctions; Organizational Standing
Source
Read the full opinion

Background

Shortly before states were scheduled to begin mailing ballots for the November 3, 2026 federal election, the U.S. Postal Service issued a rule governing federal-election ballot mail. The rule would require voter-specific Intelligent Mail barcodes on outgoing and return ballot envelopes, matching information uploaded to a USPS database. It also would require election officials to obtain USPS approval for new envelope designs, replace previously ordered envelopes, establish barcode-generating systems, and upload voter information through an online portal that was not yet operational.

States and voting-rights organizations challenged the rule. The district court preliminarily enjoined portions of it after finding that the challengers were likely to succeed, would suffer irreparable harm, and had shown that the equities and public interest favored relief. Federal defendants and intervenor states sought a stay of that injunction in the consolidated appeals, and USPS separately requested an administrative stay.

The Court’s Holding

The First Circuit denied the stay motions. It agreed that the rule likely regulated the manner of holding congressional elections, authority the Elections Clause assigns to states and Congress rather than to an executive agency acting without congressional authorization. General statutes empowering USPS to manage the mail did not provide a sufficiently specific delegation of election-regulating authority.

The court also concluded that the equities did not support a stay. The unrebutted record indicated that immediate implementation could cause administrative chaos and disenfranchise millions of mail voters, while appellants identified no record evidence of relevant past fraud or impending fraud in the November election. The organizational plaintiffs also had standing because the rule directly interfered with their core voter-registration, translation, education, and voting-assistance services, rather than merely causing them to spend money opposing a government policy. USPS’s request for an administrative stay was denied as moot.

Key Takeaways

  • The preliminary injunction remains in place because appellants did not make a strong showing that they were likely to obtain reversal or vacatur.
  • General postal-management statutes likely do not authorize USPS to impose requirements that regulate how states conduct federal elections.
  • Organizations may establish standing when a challenged election rule directly impairs their voter-assistance services, not merely their policy advocacy.

Why It Matters

The order prevents the challenged portions of USPS’s ballot-mail rule from taking effect for the November 2026 election while the litigation continues. The injunction does not prohibit voluntary state compliance or prevent USPS from preparing to implement the rule for elections after November 2026.

The decision also underscores that courts may demand clear congressional authorization before an executive agency enters an area constitutionally assigned to states and Congress, particularly when last-minute requirements threaten widespread disruption of voting.

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