03/16/2026
USPS Changes May Delay Postmarks
Effective December 24, 2025, the United States Postal Service (“USPS”) added a section to the Domestic Mail Manual to address postmarks and postal possession. In addition, USPS announced changes to its transportation of mail.
These changes emphasize that the official USPS postmark date “does not necessarily indicate the first day that the USPS had possession of a mailpiece.” However, the Domestic Mail Manual provides that a person may request a manual postmark at a retail location that will reflect the date accepted at the location.
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