DMM Advisory | Postal Explorer

Postal Explorer

The Postal Service is reminding customers that metallic mercury and devices containing metallic mercury are always prohibited in the mail stream. This includes antique items such as thermometers, barometers, blood pressure monitors and similar devices.

Pricing & Classification DMM Advisory

Message board to keep postal customers informed of changes to mailing standards, services, and prices.

Return to Message board

January 27, 2020

January DMM Update

Postal Explorer^® (pe.usps.com) 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. On January 26, 2020, we updated our mailing standards to include the following changes:

Cremated Remains Clarification

We revised sections 113.3.0 and 213.2.0 to clarify the definition of cremated remains. We published this information in the January 2, 2020, Postal Bulletin.

New Mailing Standards for Domestic Mailing Services Products

We revised various sections to implement changes related to January 2020 price adjustments. We published this information in the January 2, 2020, Postal Bulletin.

Domestic Competitive Products Pricing and Mailing Standards Changes

We revised various sections to reflect January 2020 changes to certain prices and mailing standards for select domestic competitive products. We published this information in the December 19, 2020, Postal Bulletin.

Flat-size Mail with Polywrap Coverings

We revised sections 201.4.1 and 201.4.5, to clarify the characteristics of flat-size pieces with polywrap coverings. We published this information in the December 19, 2019, Postal Bulletin.

Pallet Label Clarification

We revised sections 204.3.4.5, 204.3.4.6, and 705.6.1, to clarify the standards for pallet label placement. We published this information in the December 19, 2019, Postal Bulletin.

Priority Mail Commercial Plus Cubic Soft Pack.

We revised sections 223.1.4.3 and 223.1.4.3 to clarify the standards for Priority Mail Commercial Plus Cubic Soft Pack. We published this information in the December 19, 2019, Postal Bulletin.

Products Mailable at Nonprofit USPS Marketing Mail Prices

We revised section 703.1.6.11 to modify the price for low cost items. We published this information in the December 5, 2019, Postal Bulletin.

Mail Entry and Payment Technology Organization Structural Changes

We revised several sections to reflect the new Mail Entry and Payment Technology organization structure. We published a brief summary of this information in the November 21, 2019, Postal Bulletin.

Hold Mail Service Modification

We revised the text of 508.11.3.1 and 508.11.3.3 in new section 508.11.0, which contains standards and procedures for USPS Hold Mail service, to modify the options for customers to change or cancel their Hold Mail service request. We published this information in the November 21, 2019, Postal Bulletin.

Periodicals Reentry

We revised 207 to update and clarify the standards for filing a Periodicals reentry and to also remove references to two obsolete forms: PS forms 3541-C, Periodicals Certification for Multiple Issues (On the Same Day), and 3541-E, Periodicals Certification for Multiple Issues (Not on the Same Day). We published this information in the November 7, 2019, Postal Bulletin.

Mailing Cremated Remains

We revised various sections to include new USPS procedures for mailing cremated remains. The revisions reflect changes to Publication 52, Hazardous, Restricted, and Perishable Mail, regarding shipping cremated remains. We published this information in the November 7, 2019, Postal Bulletin.

Competitive Post Office Box Service

We revised 508.4.5.4a.2 to clarify the package requirements for customers who use competitive Post Office Box services and receive packages from private carriers. We published this information in the October 24, 2019, Postal Bulletin.

Hold Mail Service

We revised section 508 to add a new section, 508.11.0, which contains standards and procedures for USPS Hold Mail service. We published this information in the October 24, 2019, Postal Bulletin.

Stamped Mail

We revised various sections to update the the deposit method for all mailpieces weighing more than 10 ounces or measuring more than one half-inch thick and that bear stamps as the only postage payment method. We published this information in the October 10, 2019, Postal Bulletin.

Parcel Return Service

We revised section 505.4.2 to include information about the two options that customers may use to request a change or cancellation of Parcel Return Service retrieval locations (delivery units and sectional center facilities). We published this information in the September 26, 2019, Postal Bulletin.

Our next scheduled DMM update is March 2, 2020.