The qualification of the arbitration affects on the procedural problem of the admissibility of the appeal of the praise per nullity, expected that the praise irrital not is subject to the regime of appeal foreseen for the ritual from articles 827 ss. Cod . proc. civ., but to appealing negotiations, with reference it is to validity of the agreement compromise it is to the activity of the referees, from propose with the observance of the rules ordinary rules on competence and double degree of jurisdiction.