The existence of a Third Party in the Civil Code, in general, is a party to be taken into account not to suffer harm to a civil dispute. However, things are different in Arbitration Law which is a special branch of the Civil Code. Moving from the principle of secrecy, there is a disclosure of information on disputes in the world of commerce, which is characterized by variants of Contract Law in the world of commerce so as to make the potential losses that arise for other parties against the same trade object . Arbitration Law in Indonesia has ignored the interests of interested third parties by relying on the entry of such parties on the basis of voluntary parties and the approval of the Arbitral Tribunal