It's a new year, and there is a new change to the USPS postmark system that could impact time-sensitive mail. According to a Federal Register, starting on Dec. 24, 2025, mail would be postmarked based ...

WASHINGTON — The United States Postal Service updated its explanation for how the postmark process works. Opponents of the change warn it could lead to late fees, penalties and other issues for people ...

U.S. Postal Service changes for 2026, including adjustments to the postmark process, could result in late fees and penalties for anyone mailing time-sensitive documents, such as tax returns or bills, ...