Article R526-27 of the French Commercial code
To carry out the professional activity referred to in the first paragraph of article L. 526-22, and without prejudice to articles D. 123-235 and D. 123-236, the sole trader uses a name incorporating his surname or usual name immediately preceded or followed by the words: “sole trader” or the initials: “EI”. The name appears on the documents and correspondence used for professional purposes by the person concerned. The name appears…