If you rely on postmarks when casting your ballot, filing your taxes or paying bills, a new US Postal Service rule makes it clear that you should plan ahead.

Ballots, tax returns and other important mail may not get postmarked the day you turn it in, Postal Service warns ...

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

If you rely on postmarks when casting your ballot, filing your taxes or paying bills, a new U.S. Postal Service rule makes it ...

Prior to December 24, if you dropped off a letter with a stamp at the post office it would usually be postmarked within a day ...

The USPS updated its language about postmarks, possibly causing changes to when mail is accepted and marked ahead of ...

For decades, a USPS postmark has served as official evidence that mail was sent on time. In elections, many state laws treat ...

The United States Postal Service has changed the postmark process going into 2026, which potentially could add late fees and penalties to parcels.

People relying on the U.S. Postal Service to mail time-sensitive documents may need to take additional steps to make sure postmarks aren’t late if they’re cutting it close to key deadlines. A new fede ...

USPS changes postmark date to when mail is processed, causing concerns for voters and healthcare patients relying on ...

Many states rely on postmarks to validate ballots—but that system is about to change. It’s the sort of thing you might not ...

A quiet technical update at USPS is changing how deadlines are proven—raising new questions about timing, trust, and mailed ...