Article 1245-6 of the French Civil Code
If the producer cannot be identified, the seller, the lessor, with the exception of a financial lessor or a lessor assimilated to a financial lessor, or any other professional supplier, is liable for the safety defect in the product, under the same conditions as the producer, unless he designates his own supplier or the producer, within a period of three months from the date on which the victim’s claim was…