Article 1104: Return of unjustified enrichment in kind

1. The property constituting the unjustified enrichment of the purchaser shall be returned to the victim in kind. 2. The acquisitionor shall be responsible to the victim for all, including any incident. The loss, loss or deterioration of ungrounded or stored property that occurred after he had learned or should have known that the enrichment had not been justified. He is responsible only for intent and gross negligence.