(a) Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM) is incorporated by reference into this part with the approval of the Director of the Federal Register under 5 U.S.C. 552(a) and 1 CFR part 51.

(1) Subscriptions. Subscriptions to the Mailing Standards of the United States Postal Service, Domestic Mail Manual can be purchased by the public from the Superintendent of Documents, Washington, DC 20402-9375.

(2) Inspection—USPS. (i) Copies of the DMM, both current and previous issues, are available during regular business hours for reference and public inspection at the U.S. Postal Service Library, National Headquarters in Washington, DC. For access contact 202-268-2906.

(ii) Copies of only the current issue are available during regular business hours for public inspection at area and district offices of the Postal Service and at all post offices, classified stations, and classified branches. The DMM is available for examination on the internet at https://pe.usps.gov.

(3) Inspection—NARA. You may view this material at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, visit www.archives.gov/federal-register/cfr/ibr-locations or email [email protected].

(b) The Director of the Federal Register approved DMM, updated January 21, 2024, for incorporation by reference as of March 4, 2024.

(a) A complete issue of the DMM is incorporated by reference annually (see § 111.1). Except for interim or final regulations published as provided in paragraph (b) of this section, only notifications rather than complete text of changes made to the DMM are published in the Federal Register. These documents are published in the form of one summary transmittal letter for each issue of the DMM. A complete issue of the DMM incorporated by reference, which includes the text of all changes published to date, is filed with the Director, Office of the Federal Register. Subscribers to the DMM receive the latest issue of the DMM from the Government Publishing Office (see § 111.1 for subscription information).

(b) When the Postal Service invites comments from the public on a proposed change to the Mailing Standards of the United States Postal Service, Domestic Mail Manual, the proposed change and, if adopted, the full text of the interim or the final regulation is published in the Federal Register.

(c) The Postal Bulletin contains the full text of all interim and final regulations published as provided in paragraph (b) of this section, and the full text of all other changes to the Mailing Standards of the United States Postal Service, Domestic Mail Manual that are summarized in the notices published under paragraph (a) of this section, except for nonsubstantive changes and corrections of typographical errors. The Postal Bulletin is a biweekly document issued by the Postal Service to amend and revise policies and procedures. A 1-year subscription to the Postal Bulletin and certain back copies can be purchased by the public from the Superintendent of Documents, Washington, DC 20402-9371.

(d) Interim regulations published in full text or referenced as provided in paragraphs (b) and (c) of this section, are published, as appropriate, in the Mailing Standards of the United States Postal Service, Domestic Mail Manual in full text or referenced at the place where they would appear if they become final regulations.

(e) Announcements of changes to the Mailing Standards of the United States Postal Service, Domestic Mail Manual not published in the Federal Register as provided in paragraphs (a) and (b) of this section and not published in the Postal Bulletin as provided in paragraph (c) are not deemed final under the provisions of this part 111.

(f) For references to amendments to the Mailing Standards of the United States Postal Service, Domestic Mail Manual adopted under paragraph (b) of this section after issuance of the most recent transmittal letter (termed Summary of Changes in the Mailing Standards of the United States Postal Service, Domestic Mail Manual) listed below, see § 111.3 in the List of CFR Sections affected at the end of this volume.