In+material+of+concessions+of+public+services+and+in+reference+to+compromising+in+referees+of the+relative+disputes,+concerning+concessions+front+to the+law+n.+205+of+2000,+is+the+Po+ Ssitability+of+recurrence+to the arbitration,+with+consequent+nullity+of the+clause+compromise,+existing+the+jurisdiction+exclusive+of the+judge+administrative+to+senses+art.+5+of the+law+n.+1034+of+1971.