数电发票如何交付？

Group 1 - The article discusses the self-delivery methods for taxpayers in Shaanxi, including electronic mail delivery, QR code delivery, and various file format downloads [2][4]. - Taxpayers can send invoices via email by entering the recipient's email address and selecting the file format [2]. - QR code delivery allows the sender to display a QR code for the recipient to scan and obtain the invoice [2][4]. Group 2 - The article emphasizes the importance of maintaining email information in the tax digital account for successful email delivery [2]. - It outlines the steps for downloading invoices in different formats (PDF, OFD, XML) for local delivery [2]. - The content is supported by the Shaanxi Provincial Taxation Bureau and aims to provide guidance on tax invoice delivery methods [4].