Summary of Changes

Publication 52, Hazardous, Restricted, and Perishable Mail

Effective February 9, 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
25	Basic Guidelines for Acceptance and Dispatch	Changed the title of subchapter 25 to “Basic Guidelines for Postal Service Personnel.”	22617	2-9-23
251	Guidelines for Acceptance Personnel	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
252	Guidelines for Dispatch Personnel	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
253	Guidelines for Delivery and Collection Personnel	Added to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
Chapter 3, Hazardous Materials
327.1	General	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
327.2	Air Transportation Prohibitions	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
329	Presentation of Hazardous-Materials Mailings	Added to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
349.12	Lithium Battery –Definitions	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
349.21	Nonmailable Class 9 Materials	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
349.221	Lithium Metal (Nonrechargeble) Cells and Batteries – Domestic	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
349.222	Lithium-ion (Rechargeable) Cells and Batteries – Domestic	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
Exhibit 349.222	Domestic Lithium Battery Mailability	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
Chapter 6, International Mail
622.5	Lithium and Litium-ion Cells and Batteries –General	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
Exhibit 622.5	International Lithium Battery Mailability	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
623	Nonmailable Hazardous Materials	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
Appendix C, USPS Packaging Instructions for Mailable Hazardous Materials
USPS Packaging Instruction 9D	Lithium Metal and Lithium-Ion Cells and Batteries – Domestic	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
	Mailability	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
	Markings	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
	Domestic Lithium Battery Mailability Exhibit	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
USPS Packaging Instruction 9E	Mailability	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
USPS Packaging Instruction 9E	International Lithium Battery Mailability Exhibit	Revised to include new requirements for mailers to separate, into identifiable containers, all hazardous material (HAZMAT) requiring “Hazardous” marks or labels from other mail when tendering to the Postal Service. Additionally, revisions reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings, with specific exemptions and exclusions.	22617	2-9-23
Appendix F, Alaska Routes Serviced by Air Transportation Only
Appendix F	Alaska Routes Serviced by Air Transportation Only	Added to include information on Alaska routes serviced by air transportation only as part of revisions that reflect the Postal Service requirement that used, damaged or defective electronic devices packaged with or containing lithium batteries are to be mailed only via surface transportation and to bear specified markings. Specific remote ZIP Code locations that are serviced by air transportation only are exempt.	22617	2-9-23