The U.S. Postal Service's new postmark process could lead to late fees and penalties when mailing time-sensitive documents if you wait too long.

Here's what to know about 2026 Postal Service changes in postmark process, postage stamps and USPS shipping rates ...

The new policy clarifies that the postmark date “does not necessarily align” with the date the USPS took possession of the ...

USPS makes more changes to cut costs, improve service in 2026. Know how postmarks work to avoid late fees on bills, taxes.

Many users posted the claim along with a screenshot of a BlueSky user who wrote, "USPS quietly changed its postmark rules — ...

Changes at the U.S. Postal Service are forcing people who rely on postmarks when voting, filing taxes or mailing legal documents to be extra careful when cutting it close to deadlines. Postmarks ...

If you're mailing any time-sensitive documents, you may want to mail it earlier than usual under the agency's new postmark ...

What is new at the post office in 2026? Here's what to know about Postal Service changes in postmark process, postage stamps ...

In response to U.S. Postal Service changes, California state officials are urging mail-in voters for a special election on congressional redistricting to return their ballots before Election Day to ...