The U.S. Postal Service's new postmark process could lead to late fees and penalties when mailing time-sensitive documents.
The Daily Overview on MSN
USPS tweaks could change your postmark date and your deadlines
Changes to how the U.S. mail is stamped are quietly rewriting the rules for anyone who relies on a postmark to prove they met ...
Courier-Post on MSN
Why your mail could be delayed in 2026; USPS changed postmark rules
Here's what to know about 2026 Postal Service changes in postmark process, postage stamps and USPS shipping rates ...
The United States Postal Service has changed the postmark process going into 2026, which potentially could add late fees and penalties to parcels.
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