Effective March 14, 2019, the Postal Service™ is revising the Individual Country Listing for Macao in Mailing Standards of the United States Postal Service, International Mail Manual (IMM®) to note that Macao is prohibiting all lithium cells and batteries.
This revision is based on a formal request that Macao Post and Telecommunications Bureau made through the Universal Postal Union via International Bureau Circular 13, dated January 28, 2019.
Mailing Standards of the United States Postal Service, International Mail Manual (IMM)
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Individual Country Listings
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Macao
Country Conditions for Mailing
Prohibitions
[Add a new entry in alphabetical order to read as follows:]
Lithium cells and batteries, including those properly installed in the equipment they are intended to operate, mailed to or sent via Macao.
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Although effective on March 14, 2019, the Postal Service will incorporate this revision into the next edition of the online IMM. The online IMM is available via Postal Explorer® at pe.usps.com.
— Product Classification, Marketing, 3-14-19
