The interpretation data from referees to the contract and the relative motivation are union, in the judgment of appeal of the praise per nullity, only for violation rules of right, so that it is not it is allowed to the judge of the appeal union the logic of the Motivaz ion where existing e not so inadequate by not to allow the reconstruction of the process logical followed by the referees per to a one determined conclusion, nor the evaluation of the evidentiary elements operated by the referees in the assessment of the common will of the parts.