The challenge per nullity of the praise per the hypothesis in the convention by arbitration is invalid is allowed a condition that the part has oversized in the first defense subsequent defense to the acceptance of the referees the incompetence of these last per disability of the compromise or of the clause turmoil (except the case of controversy not arbitables).
The material of the uses civic not it falls in the rights unavailable, and therefore insusable of being known by referees ex art. 806 cod. Proc. Civ.