War and armed conflict — Belligerent occupation — West Bank territories occupied by Israel since 1967 — Whether the law of belligerent occupation still applicable — Hague Regulations on Land Warfare, 1907 — Whether declaratory of customary international law — Geneva Convention No IV respecting the Protection of Civilian Persons, 1949 — Whether applicable — Powers of occupation authorities — Taking of land — Construction of security barrier — Whether permitted — Whether proportionate

Relationship of international law and municipal law — Treaties — Customary law — General principles — Proportionality — Whether a general principle of international law — Applicability in Israeli courts — Conditions of proportionality — The law of Israel