USPSFinal Rule
Postmarks and Postal Possession
OtherFinance & Banking
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Summary
This USPS rule clarifies how postmarks work and when mail is considered to be in the postal service's possession. It matters to everyday people because it affects important deadlines—like when bills, tax forms, or legal documents are considered officially submitted if mailed rather than delivered by hand.
Key Points
- 1Defines what counts as a valid postmark and establishes rules for when mail is officially accepted by the postal service
- 2Clarifies that mail in postal possession is protected from loss or damage claims, with specific rules about liability
- 3Affects deadline compliance for taxes, government forms, and legal documents—proving you mailed something on time
- 4Sets standards for how postmarks must be created (electronically or by hand) to be legally valid
- 5Applies to all mail users, especially those who rely on postmarks to meet time-sensitive filing deadlines
Key Dates
Published
November 24, 2025
This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.
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