Final rule · 2026-11003

New Mailing Standards for Domestic Mailing Services Products

On April 9, 2026, the Postal Service (USPS) filed a notice of mailing services price adjustments with the Postal Regulatory Commission (PRC), effective July 12, 2026. This final rule contains the revisions to Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM[supreg]) to implement the changes coincident with the price adjustments and other DMM changes.