The USPS said a postmark reflects the date an envelope is first processed by an automated USPS sorting machine — not the ...

Changes to how the U.S. mail is stamped are quietly rewriting the rules for anyone who relies on a postmark to prove they met ...

The United States Postal Service (USPS) has implemented a new postmark rule that may affect the date shown on your mail. Can ...

Since 1954, anyone sending in their tax forms to the IRS via mail could use the postmark on their envelope as their date of ...

A recent codification of postmark rules won’t delay mail deliveries or shipping documentation more than they already were, ...

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

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

Rain or shine, Texans rely on the mail, but major changes at the U.S. Postal Service (USPS) could soon affect how quickly ...

A recent change to United States Postal Service postmarking procedures could impact when mail is officially considered sent, ...

The United States Postal Service quietly changed how it applies postmarks, and that operational tweak could ripple straight into your tax bill. By shifting the postmark from the local counter to ...