Effective October 1, 2014, we revised Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM®), to add a Priority Mail® Window Flat Rate Envelope to the suite of Flat Rate Envelopes. This new envelope makes it easier for customers who mail pre-addressed full page documents. The new window envelope is the same price and size (12 ½" x 9 ½") as the Priority Mail Flat Rate® Envelope and is only available online at http://usps.com. Although this update will not be in the DMM until December 8, 2014, this standard is effective immediately.
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Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM)
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200 Commercial Letters and Cards
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220 Priority Mail
223 Prices and Eligibility
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1.0 Prices and Fees
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1.8 Flat Rate Packaging
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1.8.1 Flat Rate Envelopes — Price and Eligibility
[Revise the text of 1.8.1 to read as follows:]
There are two types of USPS-produced Priority Mail Flat Rate Envelopes: A paperboard envelope and a padded envelope. All USPS-produced Priority Mail envelopes smaller than the EP14F/W envelopes (12.5 inches by 9.5 inches) are eligible for the Priority Mail Flat Rate Envelope price whether or not they are marked “Flat Rate Envelope.” Each type of USPS-produced Priority Mail Flat Rate Envelope is priced at a flat rate regardless of the actual weight (up to 70 pounds) of the mailpiece or domestic destination.
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When effective, we will incorporate these revisions into the next online update of the DMM, which is available via Postal Explorer® at http://pe.usps.com.
— Product Classification,
Pricing, 10-30-14
