Customs Requirements and Payment Procedures for Certain Customs Charges

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Postal Service 39 CFR Part 20 AGENCY: Postal Service. ACTION: Interim final rule. SUMMARY: The Postal Service is revising Mailing Standards of the United States Postal Service, International Mail Manual (IMM®), 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. DATES: Effective: October 19, 2026. Comments must be received by November 18, 2026. ADDRESSES: Mail or deliver comments to the manager of Product Classification, U.S. Postal Service, 475 L'Enfant Plaza SW, RM 4446, Washington, DC 20260-5015. You may inspect and photocopy all written comments at USPS Headquarters Library, 475 L'Enfant Plaza SW, 11th Floor N, Washington, DC by appointment only between the hours of 9 a.m. and 4 p.m. ET, Monday through Friday, by calling (202) 268-2906 in advance. Email comments, including the name and address of the commenter, to: PCFederalRegister@usps.gov , with a subject line of “Customs Requirements and Payment Procedures.” Faxed comments will not be accepted. FOR FURTHER INFORMATION CONTACT: Michelle Lassiter at (202) 268-2914. SUPPLEMENTARY INFORMATION: As of July 1, 2026, the European Commission eliminated the de minimis exemption for most low-value goods destined to the European Union customs territory. In addition, the European Commission established a new hierarchical system for …