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March 7

March 7, 2012


March DMM Update


Postal Explorer ( is your source for up-to-date mailing standards. The Domestic Mail Manual (DMM) is fully searchable on Postal Explorer and features fly-out menus, cross-reference links, and an extensive subject index. Yesterday, we updated our mailing standards to include the following changes:

Centralization of Bundling Standards

We revised various sections to consolidate and centralize most of the bundling standards for letters, flats, and parcels in a new section 601.2.0. We also relocated and consolidated current packaging and cushioning standards into renumbered section 601.2.0.

Changes in Sack and Container Label Specifications to Accommodate Standard Mail Marketing Parcels

We revised Exhibit 708.6.2.4 to change the content line of sack and container labels of carrier route Standard Mail Marketing parcels.

Shipper Paid Forwarding

We revised sections 507.1.0, 507.2.0 and 507.4.0 to clarify the use of ancillary service endorsements for Shipper Paid Forwarding, the Parcel Select Additional Service fee, and the use of the PS Form 3546, Forwarding Order Change Notice.


Our next scheduled DMM update is April 1.