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 ...

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 ...

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

Taxpayers should take precautions: To avoid penalties, file electronically, ask for a manual postmark at the counter, or use ...

For decades, we've relied on the "postmark" to prove we paid a bill or mailed a ballot on time, but now, the rules are ...

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

The United States Postal Service (USPS) is set to implement changes in 2026, including adjustments to the postmark process. For years, postmarks have served as legal proof of meeting deadlines, ...

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

Every day, millions of Americans across the country rely on the United States Postal Service (USPS) to send all sorts of ...

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