War and neutrality — War in general — Effects of outbreak of war — On treaties — Extent to which declaration of war terminates international conventions as between parties to hostilities — Requirement that hostilities render observance permanently impossible The law of Italy

Treaties — Termination of — By operation of law — Outbreak of war — Extent to which declaration of war terminates international conventions as between parties to hostilities — Requirement that hostilities render observance permanently impossible — Geneva Convention on Commercial Arbitration Clauses, 1923 — The law of Italy