Data / Federal rules / 2025-01618
New Mailing Standards for Hazardous Materials Outer Packaging and Nonregulated Toxic Materials
The Postal Service published this final rule in the Federal Register on January 27, 2025. It took effect on January 27, 2025.
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What the agency says
The Postal Service is amending Publication 52, Hazardous, Restricted, and Perishable Mail (Pub 52 or Publication 52) by adding new section 131 to require specific outer packaging when mailing most hazardous materials (HAZMAT) or dangerous goods (DG), to remove quantity restrictions for nonregulated toxic materials, and to remove the telephone number requirement from the lithium battery mark.
Key facts
- Document number
- 2025-01618
- Type
- Final rule
- Action
- Final rule
- Agency
- Postal Service
- Published
- January 27, 2025
- Takes effect
- January 27, 2025
- Dates
- Effective January 27, 2025. Applicable beginning January 19, 2025.
- Code of Federal Regulations
- 39 CFR 111; 39 CFR 211
- Pages
- 6
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Everything from the Postal Service · Published in January 2025
Read from the Federal Register API, last updated 2026-10-24. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.