Pleas of Sovereign Immunity and Act of Sovereignty before International Arbitral Tribunals - Journal of International Arbitration View Pleas of Sovereign Immunity and Act of Sovereignty before International Arbitral Tribunals by J. Gillis Wetter - Journal of International Arbitration Pleas of Sovereign Immunity and Act of Sovereignty before International Arbitral Tribunals J. Gillis Wetter 2 1 Journal of International Arbitration