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Publication 52 - Hazardous, Restricted, and Perishable Mail

     Link to Index Link to "Transmittal Letter"
Mailing Standards of the United States Postal Service
Publication 52 - Hazardous, Restricted, and Perishable Mail
August 2026, Updated With Postal Bulletin Revisions Through October 21, 2021

  Transmittal Letter

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

Appendix B

Appendix C
Appendix D

Appendix E
Appendix F

Appendix G
Index




     Link to Index Link to "Transmittal Letter"