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Final ruleTook effect Nov. 4, 2026

International Mail Manual; Incorporation by Reference

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Nov. 4, 2026. Document 2026-22505. Updated Nov. 5, 2026.

What it does

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.

The Postal Service's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 39 of the Code of Federal Regulations:

39 CFR 20

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Postal Service has published 15 final rules in 2026 so far, compared with 29 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

What happens next and when

This rule is effective November 4, 2026. The incorporation by reference of certain material listed in this rule is approved by the Director of the Federal Register as of November 4, 2026.

The agency's dates, word for word.

Document number2026-22505
ActionFinal rule.
AgenciesPostal Service
PublishedNov. 4, 2026
Effective dateNov. 4, 2026

Source: the Federal Register (public domain). The document in the Federal Register