In the procedure arbitration, the identification of the actual content of the questions posts from parts and appreciation of the their real flow rate, postulating identification and the qualif icic of the assets of the life intended to form object of the provision requested (petitum), as well as of the elements of the case from which derive the claims deduced in judgment ( cause petendi), constitutes a transaction falling in the tasks de-lines referees, the which outcome is union at in headquarters appeal of the praise only in the limits of the judgment legitimo judgment judgment ITY, i.e. ie only with reference to the motivation adduct to support of the result hermeneutic to which they are received the referees, which judges invested of the merit of the dispute.