On July 19, 2022, the Ministry of Industry and Information Technology officially released the national standard GB 4943.1-2022 "Audio and Video, Information technology and Communication technology Equipment Part 1: The new GB standard will be fully implemented on August 01, 2023, replacing GB 4943.1-2011 and GB 8898-2011 standards. For products that have obtained the old version of the standard GB 4943.1-2011, you can refer to the following summary of content differences between the new and old versions of the standard to complete the certificate replacement work of the old version of the standard.

Variance summary