Core Viewpoint - The article provides a detailed guide on how to apply for and issue value-added tax (VAT) invoices online, emphasizing the step-by-step process and the necessary information required for successful application and issuance. Group 1: Application Process - Step 1: Log in to the account and navigate to the VAT invoice application section [3] - Step 2: Input the buyer's name and unified social credit code, supporting fuzzy search [3] - Step 3: Select the taxable location by choosing the corresponding province, city, and district [3] - Step 4: Fill in project information, including item name, category, and amount, with options to adjust tax rates [4] - Step 5: Confirm tax information, where the system automatically calculates the tax amount before submission [4] - Step 6: After successful issuance, invoices can be downloaded and delivered online without physical presence [4] Group 2: Common Issues and Solutions - If an invoice is incorrectly issued and not yet paid or issued, it can be voided [5] - For successfully issued invoices that need correction, a red-letter invoice or tax refund application can be submitted [5] - The system provides a pathway for voiding or correcting invoices through the homepage [5]