The clause compromise must have form writing ad substantiam, identifying with accuracy the future controversies with origin from the main contract; the requirement formal it is satisfied with about at clauses skipping per relationem, or those expected in a different shop or document to which the contract face reference when the postponement o, content in the contract, provides a reminder express and specific of the clause skills and non, instead, when it is the postponement it is generic, recalling simply the doc Hument o the formaller which contains the clause itself, in what only the recall espress assures the full awareness of the parts in order to derogation to jurisdiction.