• Journal of Arbitration Studies
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• v.31 no.1
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• pp.3-22
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• 2021

This article examines the Challenge through Annulment of ICSID Arbitral Awards. Either party may request annulment of the award by applying in writing addressed to the ICSID Secretary-General on one or more of the grounds under Article 52 of the ICSID Convention. The annulment proceedings must focus on the award itself. Because committees have no inherent supremacy over the arbitral tribunal, they should not review the tribunal's findings on evidence, damage, interest, and cost findings. Otherwise, the parties would have, in effect, two opportunities, and that will almost certainly weaken the reliability of the entire ICSID system. In short, because of the limited scope of review under ICSID annulment and because annulment is not an opportunity for the parties to re-try the case, committees should not allow new arguments or new evidence. Since an annulment committee is not a court of appeals, it cannot create a new res judicata. Committees can only decide not to annul an award, thus confirming the existing res judicata or annul the award, in which case the affected decision ceases to be res judicata. An obvious annulment decision stipulating which particular findings of the award remain res judicata should prevent any uncertainty in resubmission proceedings.