Electronic invoicing 2026: what every French business needs to know

The electronic invoicing reform is one of the largest tax projects facing French businesses. From 2026, receiving and issuing invoices in a structured electronic format becomes a legal obligation for every VAT-registered business in France. Here's what you need to understand — and, above all, how to prepare for it without stress.

What exactly are we talking about?

The reform rests on two complementary mechanisms:

• Electronic invoicing (e-invoicing): for domestic B2B transactions (between businesses established in France), invoices will have to circulate in a structured electronic format, no longer as a simple PDF sent by email.
• E-reporting: the transmission to the tax authorities of transaction data not covered by e-invoicing — sales to private individuals (B2C), international operations — as well as payment data.

The government's objective is threefold: combat VAT fraud, simplify reporting obligations (with, eventually, pre-filled returns) and gain near-real-time insight into economic activity.

The timeline: reception in 2026, issuance in stages

The timeline, set by the finance law, distinguishes the ability to receive invoices from the obligation to issue them.

Reception: every affected business from 2026

By the planned deadline of September 2026, all businesses subject to VAT, whatever their size, will have to be able to receive electronic invoices. In practice, as soon as one of your suppliers switches over, you must be able to accept their invoice in the right format. No one escapes this first step.

Issuance: a rollout based on company size

The obligation to issue electronic invoices is staggered according to company size:

• Large companies and mid-market companies (intermediate-sized enterprises): from September 2026.
• SMEs, very small businesses and micro-enterprises: from September 2027.

These dates may be pushed back by a few months by decree. Strategically, even a very small business has an interest in anticipating: its large customers and suppliers will switch before it does, and reception is required from the very first deadline.

PDP, PPF, OD: who does what?

The reform's vocabulary can seem obscure. Three types of players structure the system:

• The PDP (Partner Dematerialization Platform): a private platform registered by the tax authorities. It issues, transmits and receives your invoices, and reports the data back to the government. As the project has evolved, going through a PDP is becoming the mandatory route for exchanging invoices.
• The PPF (Public Invoicing Portal): initially designed as a free exchange platform, it has been refocused on a role as central directory (the registry of recipients) and data concentrator for the authorities. It no longer provides free invoice exchange.
• The OD (Dematerialization Operators): providers that help produce or convert invoices, but that must rely on a PDP for official transmission.

In short: every business will have to choose and connect to a PDP. It's best to look into this early, as this choice shapes the entire invoicing chain.

The formats: Factur-X, UBL and CII

An electronic invoice within the meaning of the reform is not an ordinary PDF. Three minimum-base formats are accepted, all built on the European standard EN 16931:

• [Factur-X](/en/glossaire/factur-x): a hybrid Franco-German format combining a human-readable PDF and a structured, machine-readable XML file. It is often the most accessible format for SMEs, because the invoice remains visually viewable. Factur-X is the French equivalent of the German ZUGFeRD standard.
• UBL (Universal Business Language): a 100% XML format widely used internationally.
• CII (Cross Industry Invoice): another structured XML format maintained by UN/CEFACT.

Also worth noting: the reform introduces new mandatory fields on invoices, including the customer's SIREN number, the delivery address for goods, the nature of the operation (delivery of goods, provision of services or mixed operation) and the optional choice to pay VAT on a cash-debits basis.

Who is affected?

The rule is broad: any business subject to VAT and established in France falls within scope, from the micro-enterprise to the large group. Domestic B2B transactions are the priority target. B2C and international operations fall under the e-reporting strand. Even VAT-exempt activities are not excused from the obligation to receive.

How to prepare in practice

A few projects to launch right away:

1. Take stock of your flows: how many invoices are issued and received, in which formats, through which tools?
2. Clean up your customer and supplier data: SIREN/SIRET numbers, addresses, payment terms. Clean data today avoids rejections tomorrow.
3. Choose your PDP and check its compatibility with your management software.
4. Make sure your invoicing tool produces structured formats (Factur-X in particular) and can connect to a dematerialization platform.
5. Archive for the long term: probative retention of invoices and a reliable audit trail remain the rule. A well-kept DMS makes audits and the feeding of the FEC easier.

Approaching 2026 with confidence using eyeot

To be ready, the simplest path is to centralize quotes, orders and invoices in a single, clean flow. eyeot's invoicing module links the sales cycle to accounting, while the finance and document management modules structure archiving and document tracking. The idea: produce well-documented, consistent invoices that are ready to transit through your dematerialization platform when the time comes.

eyeot is a French ERP designed for very small businesses and SMEs that want to approach these deadlines without complexity. Want to try it? Create a free individual account — one user, every module, no credit card — and explore the tool at your own pace.