The+clause+compromise+contained+in the+contract+of+contract+radical+the+competence+referee+also+with+about+at+controversies+for+works+extra-contract,+as+tratt ASI+of+works+which+however+they draw+title+in the+same+source+negotiation+and+kept+account+of the+will+of the+parts+of+to refer+to+referees+all+the+disputes+relative+a The execution+and+to the interpretation+of the+contract+of+contract. ++ in fact,+the+parts+that have+chosen+the arbitration+with+reference+to+quarrels+future+that+derive+from the+contract, +they have+done+this with+reference+a+all+the+quarrels+which are+they reconnect+to the+contract,+between which+those related+to the+fee+for+works+additional+performed+by the Contractor.