Core Viewpoint - The tax credit rating significantly affects the quantity of invoices that can be obtained by taxpayers, with different levels of credit rating allowing for varying amounts of invoice usage [2][3]. Group 1: Tax Credit Rating and Invoice Usage - Taxpayers with an A-level credit rating can receive up to three months' worth of VAT invoices at once, while B-level taxpayers can receive up to two months' worth [3]. - Taxpayers rated D-level are limited to a maximum of 25 special VAT invoices and must follow strict limitations for ordinary invoices [3]. Group 2: Invoice Acquisition Cycle - The invoice acquisition cycle for B-level taxpayers is two months, while for A-level taxpayers, it is three months, allowing for bulk acquisition without exceeding limits [5]. - If a taxpayer's invoice usage is insufficient in consecutive months, it is advisable to apply for an adjustment in the type of invoices needed [7]. Group 3: Importance of Tax Credit - Maintaining good tax credit ratings can provide numerous benefits and conveniences for businesses, emphasizing the importance of compliance and honest tax practices [8].

Core Viewpoint - The article provides a detailed guide on how to apply for and issue value-added tax (VAT) invoices through an electronic tax bureau app, emphasizing the steps and requirements involved in the process [2][3][4]. Group 1: Application Process - Users can access the VAT invoice application by navigating to the "代开增值税发票" (VAT Invoice Application) section in the electronic tax bureau app [2]. - The application process involves entering the buyer's information, including name, social credit code or ID number, bank account details, and contact information [3][4]. - It is important to specify whether the buyer is an individual or a business entity, as this affects the information required [3][4]. Group 2: Tax Information and Submission - Users must provide details about the taxable sales behavior, including the location of the transaction and project information, which includes project code, name, amount, and applicable tax rate [5][6]. - The system automatically calculates the tax amount based on the entered data, and users must confirm the accuracy before submission [6][7]. - After submission, there are three possible outcomes: the application may require tax authority approval, it may proceed without approval but require payment, or it may be automatically approved without payment [8][9]. Group 3: Invoice Issuance and Compliance - Small-scale taxpayers and individuals who meet specific criteria can apply for VAT invoices through their tax authority [10]. - It is crucial to ensure that the taxable behavior location matches the provided information to avoid tax risks [10]. - Once issued, VAT invoices cannot be voided; instead, a red invoice application must be submitted for corrections [10].