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International Mail Manual; Incorporation by Reference

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Postal ServiceTM.


Final rule.

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The Postal Service announces the issuance of the Mailing Standards of the United States Postal Service, International Mail Manual (IMM®) dated March 5, 2018, and its incorporation by reference in the Code of Federal Regulations.


This final rule is effective on April 25, 2018. The incorporation by reference of the IMM is approved by the Director of the Federal Register as of April 25, 2018.

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Lizbeth Dobbins, (202) 268-3789.

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The International Mail Manual was issued on March 5, 2018, and was updated with Postal Bulletin revisions through February 2, 2018. It replaced all previous editions. The IMM continues to enable the Postal Service to fulfill its long-standing mission of providing affordable, universal mail service. It continues to: (1) Increase the user's ability to find information; (2) increase the user's confidence that they have found the information they need; and (3) reduce the need to consult multiple sources to locate necessary information. The provisions throughout this issue support the standards and mail preparation changes implemented since the version of January 22, 2017. The International Mail Manual is available to the public on the Postal Explorer® internet site at

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List of Subjects in 39 CFR Part 20

  • Foreign relations
  • Incorporation by reference
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In view of the considerations discussed above, the Postal Service hereby amends 39 CFR part 20 as follows:

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1. The authority citation for part 20 continues to read as follows:

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Authority: 5 U.S.C. 552(a); 13 U.S.C. 301-307; 18 U.S.C. 1692-1737; 39 U.S.C. 101, 401, 403, 404, 407, 414, 416, 3001-3011, 3201-3219, 3403-3406, 3621, 3622, 3626, 3632, 3633, and 5001.

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2. Amend § 20.1 by revising paragraph (a), and adding a new entry at the end of table 1 to paragraph (b), to read as follows:

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International Mail Manual; incorporation by reference.

(a) Section 552(a) of title 5, U.S.C., relating to the public information requirements of the Administrative Procedure Act, provides in pertinent part that matter reasonably available to the class of persons affected thereby is deemed published in the Federal Register when incorporated by reference therein with the approval of the Director of the Federal Register. In conformity with that provision and 39 U.S.C. 410(b)(1), and as provided in this part, the Postal Service hereby incorporates by reference its International Mail Manual (IMM), issued March 5, 2018. The Director of the Federal Register approves this incorporation by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.

(b) * * *

Table 1 to Paragraph (b)

International mail manualDate of issuance
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IMMMarch 5, 2018.
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3. Revise § 20.2 to read as follows:

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Effective date of the International Mail Manual.

The provisions of the International Mail Manual issued March 5, 2018, are applicable with respect to the international mail services of the Postal Service.

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Ruth Stevenson,

Attorney, Federal Compliance.

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[FR Doc. 2018-08687 Filed 4-24-18; 8:45 am]