Infrastructure Services Luxembourg Sàrl and Energia Termosolar BV v. Kingdom of Spain; Border Timbers Ltd and Hangani Development Co. (Private) Ltd v. Republic of Zimbabwe

567 Arbitration — Arbitration award — International Centre for Settlement of Investment Disputes — International Convention on the Settlement of Investment Disputes between States and Nationals of Other States, 1965 — Article 54 — Meaning of prior written agreement — Arbitration (International Investment Disputes) Act 1966 — Recognition and enforcement of award — State Immunity Act 1978 — Section 9 — Exceptions to sovereign immunity — Enforcement of international arbitration award — Whether foreign State having sovereign immunity in proceedings to enforce international arbitral awards in the United Kingdom — Whether accession to the ICSID Convention a submission to the jurisdiction of United Kingdom courts Treaties — Interpretation — International Convention on the Settlement of Investment Disputes between States and Nationals of Other States, 1965 — Articles 54 and 55 — Meaning of prior written agreement — Meaning of recognition and enforcement of arbitral award — Whether ICSID Convention excluding any claim for foreign State immunity in proceedings for recognition and enforcement of an arbitral award State immunity — State Immunity Act 1978 — Exceptions to immunity — Arbitration — Exception based on prior written agreement by State — Exception to immunity in matters of enforcement of arbitral awards — International Centre for Settlement of Investment Disputes — International Convention on the Settlement of Investment Disputes between States and Nationals of Other States, 1965 — Relationship between ICSID Convention and enforcement and recognition of arbitral awards by domestic courts Economics, trade and finance — Investment disputes — International Centre for Settlement of Investment Disputes — Enforcement of awards — The law of England