Useful information

Taxation of cross-border income in Europe (in or near the European Union)

https://www.impots.gouv.fr/international-particulier/imposition-des-revenus-de-source-etrangere

Cross-border businesses in Europe (in or near the European Union) in France and VAT

https://www.impots.gouv.fr/professionnel/les-entreprises-etrangeres

Can a cross-border company in Europe (in or near the European Union) be subject to corporate income tax in France?

https://www.impots.gouv.fr/international-professionnel/questions/une-entreprise-etrangere-peut-elle-etre-soumise-limpot-sur-les