Effective November 4, 2013, the Postal Service™ will revise Mailing Standards of the United States Postal Service, International Mail Manual (IMM®) section 244.4 to add glue as an option to secure the open sides of First-Class Mail International® letter-size and flat-size mailpieces. This standard is consistent with Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM®) section 201.3.0.
Mailing Standards of the United States Postal Service, International Mail Manual (IMM)
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2 Conditions for Mailing
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240 First-Class Mail International
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244 Mail Preparation
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244.4 Packaging
The following standards apply for packaging letter-size and flat-size First-Class Mail International items:
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[Revise item d to read as follows (adding the word “glue”):]
d. Except as provided in 292.4 and 293.4, folded mailpieces, without envelopes, are admissible provided that all of the open sides are secured with glue, tape, tabs, or wafer seals of sufficient quantity and strength to prevent the mailpieces from opening or being damaged during postal handling.
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When effective, we will incorporate this revision into the online IMM, which is available via Postal Explorer® at http://pe.usps.com.
— Product Classification,
Pricing, 10-3-13
