In seat of appeal per cassation adverse the sentence that has decisive on the appeal per nullity of the praise arbitral, at the fine of check the the sentence itself is adequately and correctly motivated in ratio to reasons of appeal of the award, the judge of legitimacy not can appreciate directment e the ruling arbitral e can examine only the decision emit in the judgment of appeal, with the consequence that the union of legitimacy must be conducted exclusively through the feedback of the compliance a law and of the congntity of the motivation of the sentence which has decisive