Article 1104. Return of unjust enrichment in kind.
1. Property constituting unjust enrichment of the acquirer must be returned to the victim in kind. 2. The acquirer shall be liable to the victim for any, including any accidental, shortage or deterioration of unjustly acquired or saved property that occurred after he learned or should have known about the unjust enrichment. Up to this point, he is responsible only for intent and gross negligence.
References to other articles of chapter 60. Obligations due to unjust enrichment: