Mar 5, 2026
eNews
Changes to USPS postmarking process shifts deadlines for time-sensitive mail
The U.S. Postal Service clarified in a Dec. 24, 2025 rule that postmarks reflect when mail is processed at a USPS facility—not when it’s dropped off, accepted at a counter or stamped in a mailroom.
Why it matters: In many states, deadlines for filing mechanic’s liens and other time-sensitive documents are tied to the postmark date on the notice. Previously, postmarks reflected the deposit date, giving credit managers a reliable way to time lien notices and contract deadlines. The recent announcement clarifies that postmarking occurs when an item is processed, not deposited, which could c…


