Data / Federal rules / 2026-21310
Customs Requirements and Payment Procedures for Certain Customs Charges
The Postal Service published this final rule in the Federal Register on October 19, 2026. It took effect on October 19, 2026. Comments are due by November 18, 2026.
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What the agency says
The Postal Service is revising Mailing Standards of the United States Postal Service, International Mail Manual (IMM[supreg]), in various sections, to update mailer responsibilities with respect to customs requirements and to establish procedures for the payment, or reimbursement, of any customs charges that are assessed, including after the purchase of postage.
Key facts
- Document number
- 2026-21310
- Type
- Final rule
- Action
- Interim final rule
- Agency
- Postal Service
- Published
- October 19, 2026
- Takes effect
- October 19, 2026
- Comments due
- November 18, 2026
- Dates
- Effective: October 19, 2026.
- Code of Federal Regulations
- 39 CFR 20
- Topics
- Foreign relations
- Pages
- 3
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Everything from the Postal Service · Rules on foreign relations · Published in October 2026
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.