In the arbitration irritation, the parts entrust to the referee (or to referees) the solution of disputes - insort or that can arise in ratio a determined Legal relationships - through the tool negotiation, by a composition friendly or a shop of assessment attributable to will parts parts themselves, which si they commit a consider the decision of the referees like expression of the their will. therefore, a time that the parts have accepted of Entrust to referees the adjustment of one controversy relative a rights of nature assets, is the ax a constituting the source (negotiation) these these rights.