The French government has confirmed that it will not postpone the implementation timeline for the mandatory B2B e-invoicing and e-reporting system, despite widespread expectations that the government might delay the rollout until December 1, 2026. However, the French Tax Authority has announced a more flexible enforcement approach during the initial implementation period.

Scope of the Guidance

In mid-July, the French Tax Authority issued a practical start-up guide for the country’s mandatory e-invoicing reform, explaining how businesses, e-invoicing platforms, and public authorities should manage the transition period. One of the most critical notes in the guidance is that the obligation to receive e-invoices through approved platforms applies from September 1, 2026.

Additionally, the Tax Authority clarified that the reform only changes the method of invoice transmission and reporting, not the underlying commercial and tax rules. This means that existing principles relating to payment obligations, accounting recognition, VAT deduction rights, and commercial relationships remain unaffected.

Furthermore, the guidance underlines that temporary fallback solutions during the transition period are intended only as emergency measures and cannot replace compliance with the e-invoicing system. Therefore, businesses experiencing technical issues must resolve them and return to the approved electronic channel as soon as possible.

Invoices received through traditional methods, such as email, PDF, or paper, will not lose their legal validity. Since the method of transmission does not affect the substance of the transaction, these invoices remain payable and eligible for VAT deduction. In cases where businesses receive the same invoice through multiple channels, they should identify one version as the official reference document and treat any additional copies as duplicates, rather than rejecting them or processing them more than once.

The guidance confirms a progressive, step-by-step approach to compliance, where businesses are expected to set up their e-invoicing and e-reporting processes while continuing to work toward full compliance. Businesses required to comply from September 1, 2027, do not need to modify their invoicing processes immediately. However, they may voluntarily adopt e-invoicing earlier if the transition is properly managed through an approved platform, complete invoice data, and communication with customers.

Key Takeaways

The guidance makes it clear that there will be no postponement of mandatory B2B e-invoicing and e-reporting, despite market expectations. Also, the Tax Authority clarified what acting in good faith looks like in practice and what is expected of taxable persons during the preparation and transition phases, until full implementation and compliance are achieved.