In the arbitration ritual, where the parts not they have tied the referees to compliance of the rules of the code of ritual, it is at at mod. Ist ED expand the initials Questions, without che find application the preclusions of to which in art. 183 cod. proc. civ., Salvo respect of the principle pious of the contradictory, with the consequence that is interdict only one true and proper modification of the facts constitutive of the right fact worth in Giuda Izio, such from introduce in the process a theme theme of investigation and of decision new and to be disoriented the counterpart, so vulnerararama the right defense.