Data / Federal rules / 2026-21317
New Mailing Standards for Live Animals
The Postal Service published this final rule in the Federal Register on October 19, 2026. It took effect on October 19, 2026.
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What the agency says
The Postal Service is revising Publication 52, Hazardous, Restricted, and Perishable Mail (Pub 52), to improve package integrity and container identification for live animal shipments during processing and handling.
Key facts
- Document number
- 2026-21317
- Type
- Final rule
- Action
- Final rule
- Agency
- Postal Service
- Published
- October 19, 2026
- Takes effect
- October 19, 2026
- Dates
- Effective: October 19, 2026.
- Code of Federal Regulations
- 39 CFR 111
- Pages
- 2
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Everything from the Postal Service · Published in October 2026
Read from the Federal Register API, last updated 2026-10-23. 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.