Checked Oct 30, 2026

New Mailing Standards for Live Animals

Final rule · Federal Register document 2026-21317

Published: 10/19/2026
Effective: 10/19/2026
Pages: 2

Summary

Final rule.

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.

Read the official text PDF on GovInfo

Details

Type: Final rule
Agencies: Postal Service
CFR parts: 39 CFR 111

This page summarizes a Federal Register document. Only the official Federal Register text has legal effect. Comment deadlines can be extended or reopened by a later notice.

Source: Office of the Federal Register, via the Federal Register API · Last updated 10/19/2026

Federal Register APIOffice of the Federal Register (National Archives) and U.S. Government Publishing Office · Official site

Data as of 10/19/2026

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