This guide provides an overview of the upcoming mandatory implementation of electronic invoicing in France, which will take effect on September 1, 2026, for all companies engaged in business-to-business transactions. The document outlines the legal and tax framework surrounding this transition, emphasizing the importance of electronic invoicing as a means to enhance competitiveness by reducing administrative burdens and increasing productivity. It details the benefits of electronic invoicing, including cost savings, improved fraud detection, and better cash flow management. The guide also explains the definitions and criteria for different types of enterprises affected by this reform, and it clarifies the distinction between e-invoicing and e-reporting. Furthermore, it discusses the requirements for electronic invoices to comply with legal standards, including necessary information and archiving protocols. Overall, the document serves as a resource for businesses to prepare for this significant change in invoicing practices.