# New Mailing Standards for Live Animals

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Postal Service |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-10-19 |
| Effective | 2026-10-19 |
| Significant | No |
| CFR parts | 39 CFR 111 |
| Summary | 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. |
| Document number | 2026-21317 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/10/19/2026-21317/new-mailing-standards-for-live-animals). Last refreshed: 2026-11-04T21:40:49.974Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.