Group 1 - The sixth "Belt and Road" Tax Administration Cooperation Forum was held in Kathmandu, Nepal, focusing on building a quality business environment and sharing new developments in tax services [1] - The forum gathered tax department heads from 45 countries and regions, representatives from 13 international organizations, and nearly 50 multinational companies [1] - Discussions covered six key topics, including tax administration product systems, taxpayer service product systems, and the construction of tax rule of law, aiming to explore new paths for tax administration cooperation under the "Belt and Road" initiative [1] Group 2 - The "Belt and Road" tax administration cooperation mechanism was initiated by China in April 2019 and currently has 37 members and 31 observers [1] - This mechanism serves as a significant multilateral tax cooperation platform in the international tax field under the "Belt and Road" initiative [1]