Since in the arbitration irreplace the parts they mean entrust the referee the solution a a controversy through one instrument strictly negotiating - by a composition friendly or a shop assessment attributable to their will - committing themselves the decision referees as expression . not is admissible the appeal per nullity of a praise, ancoirca the provision it is state deposited e made executive ai senses of art. 825 of the Italian Civil Code proc. civ., while it is legis at the same essential the only action per (event) vices of the store, from propose with compliance of the rules ordinary rules on competence and double degree of jurisdiction.