The judgment of appeal arbitration si composes of two phases, the first termination, finalized to the assessment of any nullity of the praise and that is it concludes with the cancellation to of the itself, e the second termination, that fa followed to the cancellation e in the course of the which the judge ordinary proceeds to reconstruction of the fact on the base pro base ve deduct; in the first phase not is permitted to the courtyard of appeal proceed ad investigations of fact, having to limit themselves to the assessment of the any nullity in are in Courses the referees, pronounceable only per determined errors in proceeding, as well as per non -compliance of the rules of right in the limits provided by art. 829 of the Italian Civil Code proc. civ.