The U.S. Postal Service's new postmark process could lead to late fees and penalties when mailing time-sensitive documents.
What is new at the post office in 2026? Here's what to know about Postal Service changes in postmark process, postage stamps ...
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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 ...
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