Group 1 - The article provides a guide on how to query personal tax withholding details through the electronic tax bureau system [3][6][11] - Users can log into the system, navigate to the "Query Statistics" section, and select parameters such as "Tax Period," "Name," and "ID Number" to retrieve their tax withholding summary and details [6][17] - The system allows users to export the queried data into an Excel format for further analysis [6][7] Group 2 - The article outlines the steps for businesses to manage cross-regional tax matters through the unified electronic tax bureau [14][15] - After logging in, businesses can access the "Cross-Regional Tax Matters Management" section to query reports based on project location or status [15][17] - The system provides information on the status of cross-regional tax reports, including whether they have been reported, verified, or are pending feedback [17][18]