From tax returns and bill payments to mail-in ballots, understanding the new guidance is important to ensure your mail is ...

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.

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

If you're mailing any time-sensitive documents, you may want to mail it earlier than usual under the agency's new postmark rules.

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

The U.S. Postal Service on Tuesday implemented the second phase of revised delivery standards intended to improve operational efficiency and reduce transportation costs. The agency said it is ...