In theme of general conditions of contract, the efficacy of the clauses onerous - between which the the clause discomfort - is subordinate at the specific approval per member in the only cases in which the clauses are inserted structures negotiations intended a r r A -te a series indefinite series of relationships, so much from the point point substantial view (if, ie, prepared by a contractor which expresses activities contractual at the address a a plurality indifferentiated of subjects), what from the point point formal view (where, prey. Finished in content a half of modules or formulars usable in series); the mere activity formulation of the regulation contractual is keep distinct from the predisposition of the general conditions of contract, not being able to consider such the Cs C Ontratual elaborate by one of the contractors in forecast and with reference ad one single, specific shop, and to the other contractor can, of the all legitimately, request of to make the necessary changes after to have it freely appreciated the content.