📦New Mailing Standards and Regulations for Businesses
The Postal Service announces the issuance of the Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM[supreg]), dated April 7, 2025, and its incorporation by reference in the Code of Federal Regulations.
Learn More📬New USPS Mailing Standards and Price Adjustments Impacting Businesses
On April 9, 2025, the Postal Service (USPS[supreg]) filed a notice of mailing services price adjustments with the Postal Regulatory Commission (PRC), effective July 13, 2025. This proposed rule contains the revisions to Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM[supreg]) that we would adopt to implement the changes coincident with the price adjustments.
Learn More📦Updated Postal Service Bundling Requirements Affect Businesses
The Postal Service is amending Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM[supreg]) in sections to modify the requirements for securing bundles of flats.
Learn More📬USPS Proposes Optional 5-Digit/3-Digit Sortation Rules
The Postal Service is proposing to amend Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM[supreg]) to change the standards for First Class Mail[supreg] and USPS Marketing Mail[supreg] flats from a "required" 5-digit, 3-digit, and ADC preparation to an "optional" preparation.
Learn More