The interpretation data from referees to contract and the relative motivation are unionable, in the judgment of appeal of the praise per nullity, only for violation rules of right, not not it is allowed to the judge of the handle union the logic One (where existing and 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 will will.