Effective March 14, 2019, the Postal Service™ is revising the Individual Country Listing for China in Mailing Standards of the United States Postal Service, International Mail Manual (IMM®) to note that China is revising the criteria for the disposal of inbound mail.
This revision is based on a formal request that China Post made through the Universal Postal Union via International Bureau Circular 201, dated December 17, 2018.
Mailing Standards of the United States Postal Service, International Mail Manual (IMM)
* * * * *
Individual Country Listings
* * * * *
China
Country Conditions for Mailing
* * * * *
Observations
[Add a new entry to read as follows (renumbering current number 2 as number 3):]
2. As of November 30, 2018, the General Administration of Customs of the People’s Republic of China (GACC) will dispose of any inbound mail item that lacks proper customs information or that the recipient refuses or does not claim in a timely manner. In addition, GACC will dispose of any item that it cannot deliver or return (including undeliverable liquids that fail aviation security checks).
* * * * *
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