Because+exists+the obligation+of the+specific+approval+per+member+of the+clause+compromise+of+to which+in art.+1341,+co.+2,+of the Italian Civil Code+civ.,+Not enough+that+one+of the+contractors+has+prepared +the whole+content+of the+contract+in+way+that the other+part+part+not+can+that accept it+or+refuse it+in its+wholeness,+but+it is also+necessary+that+the+scheme+it is+state izioni+General+are+State+fixed+per+serve+ad+one+series+indefinite+of+relationships,+it is+from the+point+point+substantial vision,+because+packaged+a+a+contractor+that+activities+activities+contracttt Uual+to the address+of+a+plurality+undifferentiated+of+subjects,+it is+from the+point+of+sight+formal,+in+what+predetermined+in the+content+a+half++modules+or+formulars+usable+in+series.