Effective January 18, 2026, the Postal Service™ will revise Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM®), sections 705.8.5 and 705.8.10, to reflect updated standards for palletizing Package Services bundles.
Although these updates will not be published in the DMM until January 18, 2026, these standards are effective immediately.
Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM)
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700 Special Standards
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705 Advanced Preparation and Special Postage Payment Systems
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8.0 Preparing Pallets
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8.5 General Preparation
8.5.1 Presort
[Delete item e. in its entirety and renumber current items f. through h. as items e. through g., respectively.]
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8.10 Pallet Presort and Labeling
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8.10.4 Package Services Flats – Bundles and Sacks
[Revise the text of item f. to read as follows:]
f. Mixed, optional, permitted for bundles and sacks. Pallets may contain carrier-route-price mail and/or Presorted-price mail with or without a barcode. Labeling:
1. Line 1: “MXD WKG.”
2. Line 2: “PSVC FLTS WKG.”
[Revise the title of 8.10.5 to replace the hyphen with an en dash so that the title reads as follows:]
8.10.5 Package Services Nonstandard Parcels – Bundles and Sacks
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[Revise the text of item i. to read as follows:]
i. Mixed, optional, permitted for bundles and sacks. The pallet may contain carrier-route-price mail and/or Presorted-price mail. Labeling:
1. Line 1: “MXD WKG.”
2. Line 2: “PSVC NONSTD WKG.”
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The Postal Service will incorporate these revisions into the January 18, 2026, edition of the online DMM, which is available via Postal Explorer® at pe.usps.com.
— Product Classification,
Product Solutions, 10-30-25