Need a postmark to prove you paid a bill on time or voted by Election Day? To be sure, you need to visit the post office to request a manual local postmark, which is available at no extra charge.

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

In a relatively under-publicized move, the United States Postal Service has said that, as of Dec. 24, postmarks can no longer be considered proof of mailing on a certain date, thanks to changes in the ...

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.

The USPS response mirrored that of the update published in the Federal Register, which said the new rule "in no way signals a change in our postmarking procedures; postmarks will continue to be ...

The USPS said a postmark reflects the date an envelope is first processed by an automated USPS sorting machine. Need to make sure a postmark reflects the day you dropped it off? Here's how. Shipping ...