The U.S. Postal Service is considering implementing the Universal Postal Union’s (UPU’s) planned updates to dimensions for Letter-post packet rolls. This UPU update was established in the Convention Regulations and is effective August 1, 2024.
To be compliant, the US Postal Service is considering revising the minimum dimensions for outbound and inbound Letter-post services. For outbound services, the revisions must be reflected in published mailing standards, any international Negotiated Service Agreements (NSAs) and related documentation that include these services, and in the Mail Classification Schedule (MCS) listings for these services.
Following are the impacted outbound services:
⦁ First-Class Package International Service (FCPIS)
⦁ Commercial ePacket (CeP) (which is available only through international NSAs)
⦁ International Priority Airmail (IPA)
⦁ International Surface Air Lift (ISAL)
For inbound Letter-post service, the revised dimensions must be reflected in the MCS listing. The following are the current and revised dimensions:
