In the system outlined from l. 4 January 1994, n. 25, that between innovations more significant it has introduced the case of the arbitration international , it is it was transposed the definition of the institute data from the convention of Geneva of 21 April 1961, rendering executive in Italy with L. 1 or May 1970, n. 418; ED inspired to the model elaborate by the commission of the nations united for the commercial international (uncitral) right, providing which criterion identification of the nature international of the arbitration that of the residence or office actual office abroad at least a parts parts to Date of the subscription of the clause compromise or of the compromise, i.e. in via alternative, the one supplied by the forecast that one part relevant of the performances nascent from ratio to which the dispute si refers must be performed abroad. ATIVI Indices of Internationality, one subjective and the other objective, a front of the which are prophyla of the all irrelevant the nationality of the owners of the ratio in contestation, well it being able configuration referees international between Italians Italians and, for converse, arbitration foreigners.