The clause compromise contained in the statute of a company a liability limited that involves the appointment of a referee unique ad opera of the parts and, in the case disagreement, of the president of the court, is slices, Sin from data entry in vigor of the d.lgs. 5 of 2003, from nullity surviving detectable ex officio, if not adequate to the dictation of art. 34, paragraph 2 of the predicted decree legislative, with the consequence that is that this clause not produces effects and the controversy can being only to the judge.