Group 1 - The article discusses the process for changing the legal representative and tax-related information through the national unified electronic tax bureau in Jiangsu [2][3][11] - It outlines two methods for making these changes: via the electronic tax bureau website and the electronic tax bureau app [6][13] - The article emphasizes the need for the legal representative to complete real-name authentication if not already done [2][9] Group 2 - Method one involves logging into the electronic tax bureau website, navigating to the identity information report, and selecting the relevant change project [11][12] - Method two requires using the electronic tax bureau app to access the information report and change the necessary details [13][21] - After making changes, the new financial responsible person must log in as a natural person to confirm the authorization [9][16]