The Lodo Arbitration can be to be challenged per nullity if the convention of arbitration is disabled (art. 829, co. 1, n. 1, cod. Proc. Civ.), Mac IONE VA proposal within a year from the date of the last subscription (art. 828, co. 2, of the Italian Civil Code civ.). if is spoiled the constitution of the college is the part that must do worth the vice, contesting and challenging the praise. in lack, the praise becomes definitive and the judged not can be riPp Erto not even if with subsequent pronunciation, of the equal passed in judged, the judge state has deliberate the disability of the convention arbitration.