Core Viewpoint - The article provides a detailed guide on how to grant tax service personnel the authority to act on behalf of a company for tax-related matters through the electronic tax bureau, specifically focusing on invoice services. Group 1: Web Portal Operation Steps - Companies can log into the electronic tax bureau and navigate to the "Tax Handling" section to manage their tax service agencies [1][7]. - To add a new agency, companies must select "Add" and input the agency's information along with the service project [3][4]. - The service category should be selected as "Other Tax Matters Agency," with the sub-category being "Invoice" or "Agent for Issuing Invoices," which will grant the necessary permissions [3][8]. Group 2: Agency Confirmation Process - After the company submits the information, the agency must confirm the delegation of authority [6][10]. - The agency can log into the electronic tax bureau to manage the service agreements and add new agreements as needed [7][21]. - Once the agency confirms the agreement, the delegation process is complete [6][12]. Group 3: App Operation Steps - Companies can also use the electronic tax bureau App to initiate the delegation process by selecting "Agent Services" [14][20]. - Similar to the web portal, companies must enter the agreement details, ensuring the service category is set to "Other Tax Matters Agency" and the sub-category to "Invoice" or "Agent for Issuing Invoices" [17][25]. - After confirming the details, the agency will receive a notification to confirm the delegation [18][26]. Group 4: Important Notes - When adding a new agency, certain fields marked with an asterisk are mandatory and must be filled accurately [19]. - The permissions related to electronic invoice services will be automatically assigned when the appropriate service categories are selected [19][25].