Effective April 12, 2018, the Postal Service™ is revising Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM®), section 263.3.5, IMpb Standards, and section 263.4.1, Price Eligibility, for the following reasons:
n To clarify that only presorted-priced Bound Printed Matter (BPM) parcels require an Intelligent Mail package barcode (IMpb®), and
n To remove redundant text.
Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM)
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200 Commercial Mail Letters, Cards, Flats, and Parcels
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260 Bound Printed Matter
263 Prices and Eligibility
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3.0 Basic Eligibility Standards for Bound Printed Matter
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3.5 IMpb Standards
[Revise the text of 3.5 to read as follows:]
Presorted-priced BPM parcels must bear an Intelligent Mail package barcode (IMpb) prepared under 204.2.0.
4.0 Price Eligibility for Bound Printed Matter
4.1 Price Eligibility
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[Delete item d. in its entirety.]
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The Postal Service will incorporate this revision into the next update of the online DMM, which is available via Postal Explorer® at pe.usps.com.
— Product Classification, Marketing, 4-12-18