- France’s e-invoicing framework accepts three core structured invoice formats: Factur-X, UBL, and CII, but compliance also requires the correct profile and French business-rule validation under EN 16931.
- UBL and CII are pure XML formats for machine-to-machine invoice exchange; they differ mainly by syntax and ecosystem/ERP compatibility rather than legal superiority.
- Factur-X is a hybrid format combining a readable PDF/A-3 with embedded CII XML, making it useful for businesses that still want a human-readable invoice while enabling automated processing.
- A plain PDF is not Factur-X, and choosing a format alone does not make an invoice compliant with France’s rules.
Source: docnova.ai
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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