2. Yunnan tax APP. You can download it by searching for "Yunnan Tax APP" in Baidu search engine. State Taxation Administration of The People's Republic of China Yunnan Provincial Taxation Bureau is a department formed by the merger of the former Yunnan Provincial State Taxation Bureau and Yunnan Provincial Local Taxation Bureau. On June 20 18 15, State Taxation Administration of The People's Republic of China Yunnan Provincial Taxation Bureau was established.