On 30th October, China Civil Aviation Dangerous Goods Inspection and Testing Joint Working Group (DGWG) issued a notice offering suggestions to relevant enterprises on providing UN38.3 Test Summary for lithium batteries. The Test summary is required to be provided by manufacturers or retailers from 1st January 2020 according to the 2019-2020 version of Technical Instructions for the Safe Transport of Dangerous Goods by Air issued by the International Civil Aviation Organization. The Test Summary shall be prepared under the requirements in UN Manual of Tests and Criteria Part 3, Section 38.3.