All our articles on foreign suppliers: guides and news about Factur-X and the French e-invoicing reform.
You do not need new billing software to satisfy a French customer's Factur-X request. The PDF you already produce carries everything the XML layer needs. Drop it in, review five fields, validate, email. Here is exactly what happens at each step and where the file can still fail.
The short answer is no, and the useful answer is longer. The mandate binds your French customer, not you, but it changes what they can do with a plain PDF, what they must declare about your invoice, and what they will ask you to put on it. Here is where the line runs.
Since September 2026 French companies run their accounts payable on structured invoices, and their suppliers abroad get the same email: please send Factur-X. You do not need a French platform, a French entity or new software. You need a file, and it takes ten minutes.