In theme of arbitration relative ad contract of works public, if the parts have fact reference ad one legislative regulation, the content of the same it is transposed in the declaration negotiale forming element integral, so the e Stension ED I LIMITS of the Contract must be identified exclusively with reference to the content of the provision recalled at the moment of the stipulation. NE follow which, formati the will contractual second the discipline dictated from the discip Lina legislative current in the moment in the contract is state concluded, the entire ratio is rectum e must take place according to that discipline and any changes modifications surviving it of it, like the interventions repeal of the c c c Iestitutional, not can alter the regime pact of the contracts in course: this is worth both per le forecasts character substantial it is per le forecasts character procedural, like those concerning the competence of the college referee.