With the establishment of the New Labor Procedural Law Nº 29497, it was sought to develop the leading role of the judge throughout the judicial process, mainly in the conciliation hearing, in which the judge discards his investiture and becomes a conciliator facilitating the communication between the parties, obtaining a conciliatory agreement that satisfies the pretensions of both parties, however if this conciliatory agreement contains clauses that do not generate certainty of the wording of the agreement and is used in a new process, this would cause a prejudice to the conciliatory parties, our conciliation study sought to determine the criteria to be used by the judge to review the conciliatory agreements with the effect of res judicata, in a process different from the nullity of agreement provided for by Law 29497, for which instruments such as surveys were used, interviews with ju...