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Publication 52 - Hazardous, Restricted, and Perishable Mail >
Summary of Changes
Publication 52, Hazardous, Restricted, and Perishable Mail
Publication 52, Hazardous, Restricted, and Perishable Mail, has been updated, effective December 26, 2013, with the following changes:
The chapter, subchapter, part, appendix, or section
in Postal Bulletin issue number…
with an issue date of…
revised to align the publication with Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM®) 601, and to update other miscellaneous references.
USPS Packaging Instructions for Mailable Hazardous Materials
revised to include the new marking standards for mailable hazardous materials intended for air or ground transportation.
Hazardous Materials Definitions
revised to update definition of terms.
Chapter 6, International Mail
Other Restricted Matter
revised to clarify the listing of restricted items that cannot be sent internationally.