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

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

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

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

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

If you’re mailing something with a firm deadline, the U.S. Postal Service has a change you’ll want to know about — and it could mean the difference between ...

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 ...

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

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 ...

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