Article 1223. The law applicable to obligations arising from unjust enrichment.
1. To the obligations arising from unjust enrichment, the law of the country where enrichment took place applies. The parties may agree to apply the law of the country of the court to such obligations. 2. If the unjust enrichment has arisen in connection with the existing or proposed legal relationship under which the property was acquired or saved, to the obligations arising from such unjust enrichment, apply the law of the country to which this legal relationship was or could be subject.
References to other articles of chapter 68. The law applicable to property and personal non-property relations: