---
kind: "section"
citation: "39 C.F.R. § 20.4"
title: "39"
number: "20.4"
heading: "Amendments to the International Mail Manual."
url: "https://uscodex.org/cfr/39/20.4"
---

# §20.4. Amendments to the International Mail Manual.

- (a) The current issue of the IMM is incorporated by reference, see [§ 20.1](/cfr/39/20.1.md).
- (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.

## Notes

### Amendments

[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]

### Authority

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.

### Source

Source: 69 FR 59546, Oct. 5, 2004, unless otherwise noted.

### Amendments

[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]