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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

titled…

was…

in Postal Bulletin issue number…

with an issue date of…

Chapters 1-7

  1. Introduction
  2. General Guidelines
  3. Hazardous Materials
  4. Restricted Matter
  5. Perishable Matter
  6. International Mail
  7. Air Transportation Requirements

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.

22375

10-31-13

Appendix C

USPS Packaging Instructions for Mailable Hazardous Materials

revised to include the new marking standards for mailable hazardous materials intended for air or ground transportation.

22375

10-31-13

Appendix D

Hazardous Materials Definitions

revised to update definition of terms.

22375

10-31-13

Chapter 6, International Mail

636

Other Restricted Matter

revised to clarify the listing of restricted items that cannot be sent internationally.

22379

12-26-13