Expropriation — Conditions of legality — Expropriation on promise of compensation — Whether any requirement that amount of compensation be determined in advance — Provision for payment of compensation following transfer of assets — Whether contrary to ordre public international

Expropriation — Extraterritorial effect — Debt — Situs of debt — Guarantee of debt — Whether guarantee governed by same law as debt — Whether affected by expropriation — The law of France