With regard to the procedure monitor ED to the judgment of opposition, in the case of opposition founded on the existence of a clause incorrect, the judge of the opposition must declare the incompetence of the judge which has emit the decre to e arrange the remission of the dispute to the judgment of the referees (in the case of arbitration ritual) or declare the impossibility of the application (in the case of arbitration irreplace) and in each case declare the nullity of the opposite decree.