Article R8256-1 of the French Labour Code
Employing or retaining a foreign national in a professional category, profession or geographical area other than those mentioned, where applicable, on the work permit referred to in the first paragraph of article L. 8251-1, in breach of the second paragraph of the same article, is punishable by a fifth-class fine. Repeated offences are punishable in accordance with articles 132-11 and 132-15 of the Criminal Code.