The Lodo referee irrital is challengeable only for i vices that can vulnerare each event will will negotiale, like the error, the violence, the willful misconduct and the inability of the parts that have conferred the assignment, or of the referee itself. in detail, the error relevant is only the one relevant to the formation of the will of the referees, that is configuration when these have one one A False representation of the reality per not have taken vision of the elements of the controversy or per to have supposed others non -existent, or for having as contested facts peaceful or v Iceversa, while is precluded each appeal per errors of right, it is in order to evaluation of the tests that in reference to suitability of the decision adopted a compose the dispute.