This Figure

gather several causes to be judged with less activity and lower expenses (procedural economy); 2 Ensure a uniform relationship and avoid contradictory resolutions. This Figure usually originates in the same demand, but can also arise in the course of the process, in case of accumulation of trade ordered by the Court; upon death of one of the parties is replaced by his heirs; through the intervention of a third party in the procedural relationship; or by the intervention of counterclaim which includes and refers to the actor and others.(9 Procedural requirements of the joinder relying on the words of ALZAMORA VALDEZ, tells us that the joinder occurs must be true for certain procedural requirements: to) that the relations between the involved are regulated within the same class of the process; and (b) that the procedural capacity of parties and jurisdiction of the Court budgets are met.10 With regard to the procedural requirements, these will affect the process subjects linked by the substantial legal relationship, which must be able to be part material and procedural law, contain the so-called conditions of action, as well as Unity and indivisibility; as to the judge, it must recognize the actions that correspond to each integrated, and should ensure the absence of grounds for disqualification and abstention. Therefore, there is joinder in three cases: to) when a process there are several how bringing people or defendants; (b) attend the process third party qualifying indica-dos; (c) when there is accumulation of processes with different parties and there is co-munidad of claims between any of them.11 Integrated and third for Escriche, quoted by POLO FLOREZ, the integrated is that litigates for the same cause or interest to another, forming with him a single part either actor.12At the same time, the Argentine doctrine tells us PEYRANO hand – that the summons are parties, in the strict sense, of the procedural legal relationship, unlike the third, (.) is the eventual procedural subject not necessary for the provision of judicial activities which, without being a part, has the chance of participating in a procedural relationship pending to the extent of the legal interest which holds and through the Institute technically called intervention.