The USPS’s mail processing rule affects people who are sending things on tight deadlines, such as tax returns or mail-in ...

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

For decades, a USPS postmark has served as official evidence that mail was sent on time. In elections, many state laws treat a ballot as valid if it is postmarked by Election Day, even if it arrives ...

The United States Postal Service (USPS) is changing its postmark process, which could impact how important mail like bills ...

A new rule published by the United States Postal Service is encouraging people to get important mail sent out early.