Article 1010

-If in the course of a transaction or agreement both parties or one of the parties to it have chosen a domicile other than theirs for the fulfilment of the obligations involved in that transaction or agreement, the domicile in respect to all claims concerning that transaction will be the domicile appointed. The same will apply if a place other than their real dwelling place is appointed for the service of papers concerning lawsuits, summonses warnings.