你问我答 | 电子税务局APP如何进行发票基础信息维护？操作步骤

Group 1 - The article provides a detailed guide on how to use the electronic tax bureau app for various tax-related tasks, including switching to a business identity and managing invoice information [1][2][3] - Users can switch to a business identity by logging into the app and selecting the appropriate option in the account center [1][2] - The app allows users to maintain invoice header information, project information, customer information, and additional information for tax purposes [8][16][25][32] Group 2 - The process for adding invoice header information includes selecting the option to auto-fill business information and saving the details for future use [8][14] - Users can manage project information by adding project names and selecting tax categories, which can be quickly accessed when issuing invoices [16][20] - Customer information can be maintained by adding necessary details such as customer name and taxpayer identification number, facilitating quick access during invoice issuance [25][29] Group 3 - The article explains how to maintain additional information and scene templates, allowing users to quickly add remarks or multiple pieces of information when issuing invoices [32][36] - Users can create and manage scene templates that link to additional information, streamlining the invoicing process [32][41] - The app also includes a feature for self-checking tax declarations, enabling users to verify their submissions and correct any discrepancies [49][50][55]