So that it can give application to principle hermeneutic of to which in art. 808-quater of the Italian cod proc. Civ. It is necessary that checked a doubt interpretative with reference at the scope application of one clause arbitral clause. such doubt not if the agreement of the parts (in the case . nute in one statute social) individuals like general method of resolution of the disputes between them the arbitration, reserving nonndimeno to competence of the judge state some certain specifics controversies (in the case species, in theme of contestation of the prerequisites the