5
The subjects of international law
Legal personality – introduction
In any legal system, certain entities, whether they be individuals or com-
panies, will be regarded as possessing rights and duties enforceable at law.
1
Thus an individual may prosecute or be prosecuted for assault and a com-
pany can sue for breach of contract. They are able to do this because the
law recognises them as ‘legal persons’ possessing the capacity to have and
to maintain certain rights, and being subject to perform specific duties.
Just which persons will be entitled to what rights in what circumstances
will depend upon the scope and character of the law. But it is the func-
tion of the law to apportion such rights and duties to such entities as it
sees fit. Legal personality is crucial. Without it institutions and groups
cannot operate, for they need to be able to maintain and enforce claims.
In municipal law individuals, limited companies and public corporations
are recognised as each possessing a distinct legal personality, the terms of
which are circumscribed by the relevant legislation.
2
It is the law which
1
See e.g. I. Brownlie, Principles of Public International Law, 6th edn, Oxford, 2003, part
II; J. Crawford, The Creation of States in International Law, 2nd edn, Oxford, 2006; D. P.
O’Connell, International Law, 2nd edn, London, 1970, vol. I; J. W. Verzijl, International Law
in Historical Perspective, Leiden, 1969, vol. II; O. Lissitzyn, ‘Territorial Entities other than
Independent States in the Law of Treaties’, 125 HR, 1968, p. 5; C. Berezowski, in M´elanges
Offerts `a Juraj Andrassy (ed. Ibler), 1968, p. 31; H. Lauterpacht, International Law: Collected
Papers, Cambridge, 1975, vol. II, p. 487; C. Rousseau, Droit International Public, Paris, 1974,
vol. II; N. Mugerwa, ‘Subjects of International Law’ in Manual of Public International Law
(ed. M. Sørensen), London, 1968, p. 247; G. Schwarzenberger, International Law, 3rd edn,
London, 1957, vol. I, p. 89; A. Cassese, International Law in a Divided World, Oxford, 1986,
chapter 4, and Cassese, International Law, 2nd edn, Oxford, 2005, part II; International
Law: Achievements and Prospects (ed. M. Bedjaoui), Paris, 1991, part 1, title 1; Oppenheim’s
International Law (eds. R. Y. Jennings and A. D. Watts), 9th edn, London, 1992, chapter 2;
R. Higgins, Problems and Process, Oxford, 1994, chapter 3; L. Henkin, R. Pugh, O. Schachter
and H. Smit, International Law: Cases and Materials, 3rd edn, St Paul, 1993, chapters 4 and
5, and S. Rosenne, ‘The Perplexities of Modern International Law’, 291 HR, 2001, chapter
VII.
2
R. Dias, Jurisprudence, 5th edn, London, 1985, chapter 12.
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