Article L4231-1 of the French Labour Code
Any client or instructing party, informed in writing by an inspecting officer referred to in article L. 8271-1-2 of this code, of the fact that employees of its co-contractor or of a direct or indirect sub-contracting company are subjected to collective accommodation conditions incompatible with human dignity, as referred to inarticle 225-14 of the French Penal Code, shall immediately instruct it in writing to put an end to this situation…