The Postal Service is proposing to revise Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM) section 601.3.4 to provide for more rigorous packaging requirements for mailpieces containing liquids.
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New Mailing Standards for Mailpieces Containing Liquids
The Postal Service is proposing to revise Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM) section 601.3.4 to provide for more rigorous packagin...
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83 FR 31712
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“New Mailing Standards for Mailpieces Containing Liquids,” thefederalregister.org (July 9, 2018), https://thefederalregister.org/documents/2018-14382/new-mailing-standards-for-mailpieces-containing-liquids.