In my view the expropriation occurredwhen the MOC was withdrawn in February 2011 implying a much higher price for gold and subsequent substantial increase in the estimate for possible compensation.
I agree with you and think that we have a very strong argument that the expropriation did not occur until February 2011, since that is when it actually did occur and we had no prior notice that such a drastic event was going to happen. It is a great position for us if we can drag them into when did the evil deed happen -- it focuses the arbitrators on the amount of damages.