The individual in international law — Nationality — In general Alleged theft by Australian citizens on board British ship on high seas — Whether Australian citizens British subjects — British Nationality Act 1948 (United Kingdom) — Meaning of British ship — Merchant Shipping Act 1894 (United Kingdom) — Effect of nonregistration of ship for purpose of punishment of offences — The law of Australia

Jurisdiction — In general — Personal — Over nationals abroad or on the high seas and their property abroad — Offences on the high seas off Western Australia — Theft by Australian citizens on British ship — Whether an offence under the law of the United Kingdom — Merchant Shipping Act 1894 — Theft Act 1968 — Admiralty jurisdiction of Western Australian courts — Meaning of ‘British ship’ — British Nationality Act 1948 (United Kingdom) — The law of Australia