▲戳蓝色字关注蓝色柳林财税室 欢迎扫描下方二维码关注： 随着全国统一规范电子税务局及移动端App的深度优化，纳税人的日常办税已实现从 "线下跑" 到 "指尖办" 的转变。作为申报缴税、发票管 理、证明开具等功能的综合服务平台，电子税务局App持续迭代高频业务体验，而发票基础信息维护作为发票管理环节的前置关键操作，直接关 系到后续开票的准确性、用票的顺畅度。 今天我们来看： 如何在电子税务局App中维护发票基础信息？ 曲 立即登录 ( 2 点击下方【办&查】，选择【发票 使用】-【发票基础信息维护】进 入功能界面。 a is 发票抬头管理 00 选择【发票抬头管理】，点击最下 方【添加发票抬头】，询问是否自动 填充所属企业信息选择【确定】 , 依据实际情况填写完企业信息后点 击下方【保存】。 发票抬头管理 SPMB 添加罗亚抬斗 an m 销售方信息 2 在需要开具蓝字发票时，点击销售 方信息栏中的对应信息，便会弹出 下拉框，在下拉框中点击添加的信 息即可快速带入。 立即开曹 销售方信息 是否展示地址电话 的积合计 预览 项目信息维护 10 选择【项目信息维护】，点击最下 方【添加】。 ation 02 在【项 ...

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]