Data / Federal rules / 2024-13264
Known Mailer and Exceptions
The Postal Service published this final rule in the Federal Register on June 18, 2024. It took effect on September 29, 2024.
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What the agency says
The Postal Service is revising the Mailing Standards of the United States Postal Service, International Mail Manual (IMM[supreg]) to remove the "known mailer" definition and exceptions for customs declarations.
Key facts
- Document number
- 2024-13264
- Type
- Final rule
- Action
- Final rule
- Agency
- Postal Service
- Published
- June 18, 2024
- Takes effect
- September 29, 2024
- Dates
- Effective September 29, 2024.
- Code of Federal Regulations
- 39 CFR 20
- Topics
- Administrative practice and procedure
- Pages
- 3
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|---|---|---|
| Revision of National Environmental Policy Act Implementing Procedures; Extension of Comment Period 2026-21699 | Final rule | Oct 23 |
| New Mailing Standards for Live Animals 2026-21317 | Final rule | Oct 19 |
| Customs Requirements and Payment Procedures for Certain Customs Charges 2026-21310 | Final rule | Oct 19 |
| National Environmental Policy Act Implementing Procedures 2026-19720 | Final rule | Sep 25 |
| Labels 888, 889, 891, and 892, Discontinued 2026-18371 | Proposed rule | Sep 9 |
| Free Matter for the Blind and Other Physically Handicapped Persons 2026-17884 | Final rule | Sep 1 |
| Ballot Mail for Federal Elections 2026-17238 | Final rule | Aug 26 |
| New Mailing Standards for Live Animals 2026-16016 | Proposed rule | Aug 6 |
Everything from the Postal Service · Rules on administrative practice and procedure · Published in June 2024
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.