While, from a side, competent to decide on the issues relative to validity of the compromise or of the praise and on the regularity of the appointment deg Li Referees, Ai senses of art. 829 of the Italian Civil Code civ., is only the judge of the appeal of the praise, on the other side each question, relative the Law of the referee of receive the payment of the honor, one time carried out the assignment conferred in the area of the ratio mandate intercurrent with the parts, compete to the president of the court, to which, of against, is not it is allowed no investigation on the validity and efficacy of the .