1. (1926) International Convention for the Unification of Certain Rules Concerning the Immunity of State Owned Vessels
2. (1958) Convention on the Law of the Sea, Art 8(2). (1978) UK State Immunity Act
3. (1982) Convention on the Law of the Sea. (1988) Intl Law Reports Vol. II, part one p 90
4. (2001) Draft Articles on State Responsibility of States, Art 4. (2004) UN Convention on State Immunity, Art 19(c)
5. (2006) 28 USC | 1605(a) 2