39 CFR § 20.4 - Amendments to the International Mail Manual.

---
identifier: "/us/cfr/t39/s20.4"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "39 CFR § 20.4 - Amendments to the International Mail Manual."
title_number: 39
title_name: "Postal Service"
section_number: "20.4"
section_name: "Amendments to the International Mail Manual."
chapter_name: "UNITED STATES POSTAL SERVICE"
subchapter_number: "B"
subchapter_name: "INTERNATIONAL MAIL"
part_number: "20"
part_name: "INTERNATIONAL POSTAL SERVICE"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
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."
regulatory_source: "69 FR 59546, Oct. 5, 2004, unless otherwise noted."
cfr_part: "20"
---


# 20.4 Amendments to the International Mail Manual.

(a) The current issue of the IMM is incorporated by reference, see § 20.1.

(b) New issues of the International Mail Manual will be incorporated by reference into this part and will be available at *https://pe.usps.gov.* The text of amendments to the International Mail Manual will be published in the *Federal Register* and will be available in the Postal Bulletin, copies of which may be accessed at *https://usps.com/cpim/ftp/bulletin/pb.htm.* Successive issues of the IMM are listed in Table 1 to this section.

Table 1 to § 20.4—International Mail Manual

| International Mail
Manual | Date of issuance |
| --- | --- |
| Issue 1 | November 13, 1981. |
| Issue 2 | March 1, 1983. |
| Issue 3 | July 4, 1985. |
| Issue 4 | September 18, 1986. |
| Issue 5 | April 21, 1988. |
| Issue 6 | October 5, 1988. |
| Issue 7 | July 20, 1989. |
| Issue 8 | June 28, 1990. |
| Issue 9 | February 3, 1991. |
| Issue 10 | June 25, 1992. |
| Issue 11 | December 24, 1992. |
| Issue 12 | July 8, 1993. |
| Issue 13 | February 3, 1994. |
| Issue 14 | August 4, 1994. |
| Issue 15 | July 9, 1995. |
| Issue 16 | January 4, 1996. |
| Issue 17 | September 12, 1996. |
| Issue 18 | June 9, 1997. |
| Issue 19 | October 9, 1997. |
| Issue 20 | July 2, 1998. |
| Issue 21 | May 3, 1999. |
| Issue 22 | January 1, 2000. |
| Issue 23 | July 1, 2000. |
| Issue 24 | January 1, 2001. |
| Issue 25 | July 1, 2001. |
| Issue 26 | January 1, 2002. |
| Issue 27 | June 30, 2002. |
| Issue 28 | January 1, 2003. |
| Issue 29 | July 1, 2003. |
| Issue 30 | August 1, 2004. |
| Issue 31 | May 31, 2005. |
| Issue 35 | May 12, 2008. |
| Issue 36 | May 11, 2009. |
| IMM | April 17, 2011. |
| IMM | June 24, 2012. |
| IMM | January 26, 2015. |
| IMM | July 11, 2016. |
| IMM | January 22, 2017. |
| IMM | March 5, 2018. |
| IMM | March 4, 2019. |
| IMM | July 1, 2020. |
| IMM | July 10, 2022. |
| IMM | January 21, 2024. |
| IMM | April 7, 2025. |

[85 FR 61608, Sept. 30, 2020, as amended at 87 FR 63425, Oct. 19, 2022; 89 FR 15474, Mar. 4, 2024; 90 FR 22012, May 23, 2025]