Core Viewpoint - The article emphasizes the importance of verifying the authenticity of value-added tax (VAT) invoices through various platforms provided by the National Taxation Administration, highlighting the ease of access and the necessity for businesses to ensure compliance with tax regulations [4][5][7]. Group 1: Invoice Verification Methods - The article outlines multiple methods for verifying VAT invoices, including using the National VAT Invoice Verification Platform by entering the invoice code and number [4]. - It mentions the option to log into the unified electronic tax bureau to access the invoice verification feature under the popular services section [4]. - The article also describes the process of using the electronic tax bureau app for invoice verification, detailing the steps to navigate through the app [4]. Group 2: Taxpayer Services - The article lists various taxpayer services available, such as tax credit management, tax proof issuance, and tax-related inquiries [5]. - It highlights the importance of maintaining accurate taxpayer information and the ability to report violations of invoice management regulations through multiple channels [5][7]. - The article encourages taxpayers to engage with local tax authorities for manual verification of invoice authenticity if needed [5].