Postal Service Updates the International Mail Manual, as Bureaucracy Does
Published Date: 11/4/2026
Rule
Summary
Starting November 4, 2026, the Postal Service officially updates and incorporates the International Mail Manual (IMM) into federal rules. This manual sets clear, easy-to-find standards and prices for sending mail internationally, replacing all older versions. If you send or handle international mail, this update helps you stay on track with the latest rules—no extra costs, just smoother mailing!
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
IMM Incorporated into Federal Rules
The Mailing Standards of the United States Postal Service, International Mail Manual (IMM), issued November 2, 2026, is incorporated by reference into 39 CFR part 20 and is effective November 4, 2026. The provisions of that IMM are applicable to the Postal Service's international mail services as of that date.
Updated, Consolidated International Mail Standards Online
The IMM (issued November 2, 2026) consolidates standards and references for applicable international mailing prices and replaces all prior editions; it includes Postal Bulletin revisions through October 1, 2026 and supports mail preparation changes implemented since the April 7, 2025 version. The IMM is available on the Postal Explorer website (https://pe.usps.com) and future mailing-standard changes will be published in Federal Register documents and the Postal Bulletin and then appear in the next online IMM.
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Key Dates
Related Federal Register Documents
2026-21310, Customs Requirements and Payment Procedures for Certain Customs Charges
Starting October 19, 2026, the Postal Service is updating rules for international mailers about customs charges, especially for packages going to the European Union. Mailers now must follow new customs payment steps and might have to pay extra fees if customs info is wrong or duties aren’t collected from the receiver. These changes help mailers avoid surprises and keep international shipping smooth and fair.
2026-21265, Privacy Act of 1974; System of Records
The USPS is creating a new system to better manage customer calls and improve service using smart analytics. This change affects anyone who contacts USPS customer support and kicks in on November 18, 2026, unless people send feedback before then. No extra costs are mentioned, just smoother, faster help when you call USPS.
2026-21317, New Mailing Standards for Live Animals
Starting October 19, 2026, the Postal Service is updating rules for mailing live animals to keep them safer and better tracked. If you ship live animals, you’ll now need to number each container, write the recipient’s info clearly, and avoid reusing fiberboard boxes. These changes help protect animals during shipping without extra costs or delays.
2026-21081, International Product Change-Priority Mail Express International, Priority Mail International & First-Class Package International Service Agreement
The Postal Service is adding a new international shipping deal for Priority Mail Express, Priority Mail, and First-Class Package International services. This change affects businesses and customers who send packages overseas, offering new options under a special contract starting October 2026. It aims to improve service and pricing through a negotiated agreement with the Postal Regulatory Commission.
2026-19720, National Environmental Policy Act Implementing Procedures
The United States Postal Service is updating its rules for how it checks the environmental impact of its actions, making the process simpler and clearer. This affects USPS employees and anyone interested in how the Postal Service protects the environment. The new rules start on September 25, 2026, and the USPS wants your feedback by October 26, 2026—no extra costs involved, just smarter steps!
2026-18371, Labels 888, 889, 891, and 892, Discontinued
The Postal Service is proposing to amend Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM[supreg]) to discontinue the use of Label 888 and Label 889 respectively. Revisions to the DMM concern only Labels 888 and 889.
Previous / Next Documents
Previous: 2026-22498, Domestic Mail Manual; Incorporation by Reference
The Postal Service just updated its Domestic Mail Manual (DMM) with new mailing rules and prices, effective November 4, 2026. This update makes it easier for everyone to find all the mailing info they need in one place, saving time and hassle. If you send mail or run a business that relies on USPS, these changes could affect how you prepare and price your mail.
Next: 2026-22536, Statutory Lien
Federal credit unions can now rely on a clearer rule about their power to claim money owed by members from their accounts. The National Credit Union Administration removed confusing language that didn’t help credit unions figure out their rights. This change takes effect December 4, 2026, making it easier for credit unions to manage debts without legal guesswork.