The valid civil obligation gives the creditor the right to fulfil his claim right. When the debtor has several debts which are guaranteed with different guarantees, the question that arises concerns the analysis of the legal provisions applicable to the concurrence of creditors. In this paper we will try a theoretical and practical analysis of the rules established in this matter.

This commentary seeks to highlight a number of issues related to the impossibility of requesting the de jure abolition of an attachment and the restitution of the retained amounts through a future action, provided that there is a final (in this case irrevocable) decision to validate the attachment, not abolished by the specific means of appeal, a decision that constituted the enforceable title of the third party who executed the amount subject...