Effective March 5, 2026, the Postal Service™ is revising the Individual Country Listing for Saudi Arabia in Mailing Standards of the United States Postal Service, International Mail Manual (IMM®) to provide more clarification on the prohibition on narcotics and psychotropic substances.
This revision is based on a formal request that Saudi Post (the designated postal operator of Saudi Arabia) made through the Universal Postal Union via International Bureau Circular 8, dated January 26, 2026.
Mailing Standards of the United States Postal Service, International Mail Manual (IMM)
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Individual Country Listings
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Saudi Arabia
Country Conditions for Mailing
Prohibitions
[Revise the entry starting with “Narcotics” to read as follows:]
Narcotics and psychotropic or mind-altering substances, including marijuana in all its forms and derivatives, and any preparations containing such substances.
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Although effective March 5, 2026, the Postal Service will incorporate this revision into the next edition of the online IMM, which is available via Postal Explorer® at pe.usps.com.
— Product Classification,
Product Solutions, 3-5-26
