The recall of the discipline fixed in a distinct document, that it is by parts parties on the premise of the full knowledge such document and at the fine of the in Tegration of the ratio negotiating in part in to which defects of one different regulation, assigns to forecasts of that discipline, per the by of relatio perfect, the v rail of clauses agreed, and, therefore, le subtracts to the need of the specific approval per member of which in art. 1341 of the Italian Civil Code civ., while not detects in purpose the possibility e unilaterality of the preparation of the aforementioned document, the which remains exceeded by the circumstance that both i contractors si are granted for make it just the content.