The+judge+invested+of the appeal+of+a+ax+arbitration+must+always check+preliminarily+the+validity+of the+clause+compromise+subjected+to+its+exam,+save+that+such a question+not+is+already+ +it was already+examined+and+decisive+in the+Lodo+arbitration.+in+such hypothesis,+the+judge+appeal+can+review it+only+where+the+statute+on the+point+of the+college+referee+starts+format+object+appeal.