Effective February 12, 2026, the Postal Service™ is revising Mailing Standards of the United States Postal Service, International Mail Manual (IMM®), section 221.2 and the Individual Country Listing for Thailand, to reflect that Priority Mail Express International® with Money-Back Guarantee Service is no longer available for Priority Mail Express International items destined to Thailand.
Mailing Standards of the United States Postal Service, International Mail Manual (IMM)
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2 Conditions for Mailing
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220 Priority Mail Express International
221 Description and Physical Characteristics
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221.2 Priority Mail Express International With Money-Back Guarantee Service
[Delete item n. for Thailand.]
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Individual Country Listing
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Thailand
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Priority Mail Express International (220)
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Customs Forms Required (123)
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[Revise the heading “Notes” to read as follows (using singular “Note” rather than plural “Notes”):]
Note:
[Delete item 2. in its entirety and remove the numeral “1” from the first entry.]
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Although effective February 12, 2026, the Postal Service will incorporate these revisions into the next edition of the online IMM, which is available via Postal Explorer® at pe.usps.com.
— Product Classification,
Product Solutions, 2-19-26
