The U.S. Postal Service has changed its rules about postmarking mail. Unless a customer requests a postmark at a Postal Service retail location, postmarks are no longer applied when mail is first received; they are stamped later during sorting and processing at regional distribution centers. As a result, mail could be postmarked several days after it is dropped off in a mailbox.
W-2 and 1099 forms must be postmarked by Feb. 2; 1095-C forms must be postmarked by March 2.
To ensure timeliness, agencies should:
- Pick up printed W-2s and 1095-Cs by the deadline in the calendar year-end checklist (CAPPS level 1 support staff can access the checklist via the CAPPS Service Desk).
- Request a postmark date at the post office when mailing tax forms.
