On December 14, 2021, the General Administration of Customs of China (GACC) issued Announcement No. 103, 2021, which are matters related to the implementation of Decree 248 and 249. The main contents include the registration address, how to check product HS code, import declaration, registration number marking and packaging label.

For more details, please refer to http://www.customs.gov.cn/customs/302249/2480148/4053483/index.html