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

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

If you mail in your ballot during election season or send your taxes through USPS, this postmark change may apply to you. Learn how to get your mail in on time here.