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

Some ballots, tax forms and other time-sensitive parcels could be considered late — even if mailed by the deadline.

If you mail in your ballot during election season or send your taxes through USPS, this postmark change may apply to you.

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