Summary of Changes

Publication 52, Hazardous, Restricted, and Perishable Mail

Effective September 7, 2023, Publication 52, Hazardous, Restricted, and Perishable Mail, has been updated with the following changes:

 

The chapter, subchapter, part, appendix, or section…

titled…

was…

in Postal Bulletin issue number…

with an issue date of…

Chapter 2, General Guidelines

214

Appeals

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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221.2

Ancillary Endorsements

Revised to delete references to First-Class Mail, Parcel Select Ground, and USPS Retail Ground.

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228

Shipping Papers

Revised to delete references to First-Class Mail and First-Class Package Service.

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23

Handling Hazardous Materials

Revised to include information on procedures for handling nonmailable hazardous materials found in the mailstream.

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Chapter 3, Hazardous Materials

323

Mailer Responsibility

Revised to incorporate new requirements, which became effective July 9, 2023, for mailers to use unique Service Type Codes and Extra Service Codes for package shipments containing hazardous material or dangerous goods.

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325

DOT Hazardous Materials Warning Labels and Markings

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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327

Transportation Requirements

Revised to delete references to First-Class Mail, Parcel Select Ground, and USPS Retail Ground, and to replace references to First-Class Package Service with references to USPS Ground Advantage.

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336

USPS Limited Quantity Surface Materials

Revised to delete a reference to First-Class Package Service and to reformat the text to improve comprehension and readability.

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338

Small Quantity

Added as new 338, including text containing small-quantity provisions.

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339

Packaging Requirements for Hazardous Materials

Renumbered from 338, with quotation marks added before and after “PG II” in 339.1, “DOT Packing Groups.”

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341.2

Mailability, Packaging, and Marking

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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341.22

Mailable Explosives

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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342.2

Mailability

Revised to add section and title “342.21 General” above the text immediately under 342.2 and renumber 342.21 and 342.22 as 342.22 and 342.23. Also revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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343.25

Lighters

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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343.27

Authorization to Mail Ethanol-Based Flammable Liquids or Solids

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager, and to delete references to First-Class Mail and First-Class Package Service.

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346.212

Division 6.2, Infectious Substances

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager, and to replace references to products in item b. with references to USPS Packaging Instructions.

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346.321

Category B Infectious Substances

Revised to delete a reference to First-Class Mail.

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346.322

Sharps Waste and Other Mailable Regulated Medical Waste

Revised to replace a reference to merchandise returns service with a reference to USPS Returns; to delete a reference to First-Class Mail; and to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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346.323

Used Health Care Products

Revised to delete a reference to First-Class Mail.

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346.324

Forensic Material in Category B

Revised to delete a reference to First-Class Mail.

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346.325

Nonregulated Materials

Revised to delete references to Postal Service products via which nonregulated materials are or were mailable.

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346.326

Exempt Human or Animal Specimens

Revised to delete references to Postal Service products via which exempt human or animal specimens are or were mailable.

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Chapter 4, Restricted Matter

434

Replica or Inert Explosive Devices

Revised to delete references to Postal Service products via which registered mail is or was available.

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453.36

Return of Prescription Drugs

Revised to replace references to merchandise returns service with references to USPS Returns, and to delete a reference to First-Class Mail.

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453.7

Mail-back Programs

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager, and to delete a reference to First-Class Return Package Service.

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Chapter 5, Perishable Matter

Exhibit 526.6

Requirements for Mailing Small, Harmless, Cold-Blooded Animals (Except Snakes, Turtles, and Turtle Eggs)

Revised to clarify that water is allowed when mailing fish.

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Chapter 6, International Mail

621.5

Extra Service Codes and Shipping Service Files

Added to incorporate new requirements, which became effective July 9, 2023, for mailers to use unique Service Type Codes and Extra Service Codes for package shipments containing hazardous material or dangerous goods.

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622.2

Biological Substances, Division 6.2

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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Chapter 7, Air Transportation Requirements

71

General

Revised to delete a reference to First-Class Mail, and to replace a reference to First-Class Package Service with a reference to First-Class Package International Service.

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72

Hazardous Materials: Air Transportation

Revised to delete a reference to First-Class Mail, and to replace a reference to First-Class Package Service with a reference to First-Class Package International Service.

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726.1

Acceptance Personnel

Revised to delete references to First-Class Mail and First-Class Package Service and to add a reference to First-Class Package International Service.

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Appendix C, USPS Packaging Instructions for Mailable Hazardous Materials

USPS Packaging Instructions 1A: Toy Propellant Devices

Required Authorization

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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Documentation

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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USPS Packaging Instructions 1B: Safety Fuse

Required Authorization

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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Documentation

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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USPS Packaging Instructions 3C: Flammable Liquid or Gas Lighters

Required Authorization

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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Marking

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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USPS Packaging Instructions 3D: Ethanol-based Flammable Liquids and Solids

Ethanol-based Flammable Liquids and Solids

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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USPS Packaging Instruction 6C: Category B Infectious Substances

Required Authorization

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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Mailability

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager, and to delete references to First-Class Mail and First-Class Package Service.

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USPS Packaging Instruction 6D: Sharps Waste and Other Regulated Medical Waste

Required Authorization

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager.

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Mailability

Revised to replace a reference to merchandise returns service with a reference to USPS Returns, delete a reference to First-Class Mail, and to replace a reference to Priority Mail with a reference to Priority Mail Return Service.

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Marking

Revised to replace references to merchandise returns service with references to USPS Returns Service.

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USPS Packaging Instruction 6F: Forensic Material

Mailability

Revised to reflect a title change to director for the Postal Service Product Classification and the Pricing and Classification Service Center (PCSC) manager, and to delete references to First-Class Mail and First-Class Package Service.

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USPS Packaging Instruction 10A: Small Quantity Provision

Small Quantity Provision

Revised to include a hyphen between the words “small” and “quantity” in the title and text.

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Required Packaging: Inner Receptable

Revised to add inner-receptable quantity limits in the associated small-quantity packaging instructions.

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Appendix D, Hazardous Materials Definitions

Appendix D

Air transportation

Revised to update the definition of “Air transportation.”

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Appendix G, Hazardous Materials Service Type Codes (STCs) and Extra Service Codes (ESCs)

Appendix G

Hazardous Materials Service Type Codes (STCs) and Extra Service Codes (ESCs)

Added to to incorporate new requirements, which became effective July 9, 2023, for mailers to use unique Service Type Codes and Extra Service Codes for package shipments containing hazardous material or dangerous goods.

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Index

Index

 

Revised the section number references of several entries to reflect revisions in this Pub 52 edition.

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