How a USPS rule change could impact election ballots in 2026

It’s the sort of thing you might not notice until it really matters, but the U.S. Postal Service recently changed how it defines the “postmark” on a piece of mail—warning that the postmark date is not a reliable indicator of when you actually mailed something.

If you’re the sort of person who waits until the last minute to send time-sensitive mail, that means you’ll need to stand in line at your local post office and request a manual postmark when dropping off your mail.

While the way mail is postmarked hasn’t undergone some major shift recently, the postal service set out earlier this year to clarify earlier what a postmark means and how the process works.

By clarifying, the beleaguered agency delivered a reality check of sorts—and warned that an issue many people didn’t even realize was an issue could become more common under an initiative it’s implemented to optimize mail delivery, and particularly in rural areas, as part of its “Delivering for America” 10-year plan.

“Postmarks applied at originating processing facilities have never provided a perfectly reliable indicator of the date on which the Postal Service first accepted possession of a mailpiece,” the agency said in a federal filing from last month. “To the extent that customers currently have this view of the postmark, it does not reflect the realities of postal operations.” 

Perhaps worse yet? Buying postage online or at a kiosk in the post office, doesn’t overcome the postmark issue as that date merely shows when the postage was printed and not when it was actually in the hands of the USPS.

CONCERNS ABOUT MAIL-IN BALLOTS

When the agency first proposed clarifying the process back in August, there was a mandatory public comment period that elicited only 130 comments. But many of those comments focused on the implications for mail-in voting, which has become especially prevalent in the post-pandemic era. 

In the 2024 presidential election, mail-in voting accounted for 30.3% of the turnout, according to a survey conducted by the U.S. Election Assistance Commission. That was down from 43% in the 2020 election.

By warning of a likely timing gap between the date when you drop off mail and when it’s counted as received, the U.S. Postal Service has shifted some of the responsibility back on mailers. In the federal filing, it reiterated a “common-sense measure” that voters should mail their completed ballot at least one week before it must be received or else queue up at the post office for that manual postmark.

OTHER CHANGES COMING IN 2026

But there’s some (hopefully) welcomed news for people who dread a visit to the post office. In September, the agency announced that a modernization project will continue in 2026 that will see many lobbies undergo much-needed renovations. 

These projects, however, come at a cost. 

And shipping prices are going up once again, though not (yet) for stamps.

After hiking shipping rates by as much as 7.6% in July, another big increase is coming on January 18. The cost to ship the lightest-weight package domestically will soon cost $7.76, a 7.8% increase from the current starting rates of $7.20.

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