# International Mail Manual; Incorporation by Reference

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Postal Service |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-11-04 |
| Effective | 2026-11-04 |
| Significant | No |
| CFR parts | 39 CFR 20 |
| Summary | The Postal Service announces the issuance of the Mailing Standards of the United States Postal Service, International Mail Manual (IMM[supreg]), issued November 2, 2026, and its incorporation by reference in the Code of Federal Regulations. |
| Document number | 2026-22505 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/11/04/2026-22505/international-mail-manual-incorporation-by-reference). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.