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Law’s Determinability: Indeterminacy, Interpretative Authority, and the International Legal System

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Abstract

Authority claims remain rooted in the antecedent existence of a degree of indeterminacy, in particular in the international legal system, in which a lack of systematicity characterises how international actors claim and exercise authority. The indeterminacies in international law give rise to certain practices and mechanisms designed to cure such deficiencies, and in particular these practices are observed by law-applying and law-interpreting bodies, of which international courts and tribunals tend to be the exemplars. These ‘authority claims’, far from being scattered and random claims for legitimation, in fact give a peek into international law’s structure as a legal system with mechanisms of determinability, these mechanisms being designed to privilege coherence and order. The discretion revealed in the practices of interpretation is in fact the outcome of interpretative practices, not their cause. Accordingly, the sustainable existence of a legal system remains rooted in the existence, identification, and study of its law-applying officials, whose authority depends in part on their recognition by a wider professional or epistemic community of international lawyers. The social and communitarian foundations of authority, therefore, complement any claims to interpretative authority engendered by the legal system itself.

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Notes

  1. Beckett (2008), p. 65 (emphasis in the original). Though Beckett’s—and Hart’s—point is in relation to indeterminacy and its resolution by courts, it is relevant in relation to any institution or actor making a claim to interpretative authority.

  2. Venzke (2013a).

  3. Hart (1982), p. 243.

  4. The understanding of the relationship between law and authority as is well laid out by Raz (2009a), in particular pp. 106–110.

  5. Koskenniemi (2018), p. 42.

  6. The classic argument being put forward as the ‘juridically natural view’: see Fitzmaurice (1951), pp. 3–4; and Fitzmaurice (1957), p. 204. A modern exemplar of a similar approach is that of Orakhelashvili (2008).

  7. See e.g., generally, Weinrib (1997-1998).

  8. Marks (2003), p. 144.

  9. Lauterpacht (1949), pp. 75–76.

  10. McLachlan (2005).

  11. Hernández (2014a), pp. 257–263.

  12. Ibid.

  13. Kelsen (1970).

  14. Ibid., pp. 82–83.

  15. Ibid., p. 351.

  16. Ibid., p. 349.

  17. The modern ‘three-stage test’ used by the Court was first articulated in Maritime Delimitation in the Black Sea (Romania/Ukraine), Judgment, ICJ Reports 2009, p. 61: in short, the Court literally draws a legal line taking into account facts (a line equidistant between both States’ coastlines), but also its assessment of what might constitute ‘special circumstances’ (such as islands, concave shores, or access to natural resources); and thirdly, a rather notoriously subjective assessment of proportionality. The most recent assertion of the ‘three-stage test’ was in Maritime Delimitation in the Indian Ocean (Somalia v. Kenya), Judgment of 12 October 2021, and it has already been picked up by ITLOS: see Delimitation of the Maritime Boundary in the Atlantic Ocean (Ghana/Côte d’Ivoire), Judgment, ITLOS Reports 2017, p. 4.

  18. Hart (2012), p. 252.

  19. Ibid., p. 145. Hart’s theory on judicial interpretation was justified by his theory of the open texture of language: ibid., pp. 120–32.

  20. Dworkin (1978), pp. 31-32. He distinguished his form of ‘weak’ discretion from the ‘strong’ discretion that he purported Kelsen and Hart attributed to legal officials (judges), which allowed them to reach for principles outside a legal system. Dworkin’s point is fair; if one examines Kelsen (1970), p. 352, his refusal to privilege any acceptable meaning within the frame is evident: ‘[f]rom the point of view of positive law, one method is exactly as good as the other’.

  21. Koskenniemi (1989).

  22. Ibid., p. 122.

  23. Ibid., p. 387.

  24. Ibid., p. 568: ‘whatever else international law might be, at least it is how international lawyers argue, […] and this can be articulated in a limited number of rules that constitute the “grammar”—the system of production of good legal arguments’.

  25. Ibid., p. 591.

  26. Koskenniemi’s ontological indeterminacy denies that only the meaning of a norm can be subject to dispute, and suggests that the very identity of the norm may be open to contestation. For further discussion, see Beckett (2005), p. 213.

  27. Gadamer (1975), pp. 266–267.

  28. I have written on this circularity elsewhere: see Hernández (2014b), pp. 318–319.

  29. Koskenniemi (1989), pp. 584-588. The attack is especially evident in his chapters on sovereignty (Chapter 4), sources (Chapter 5) and custom (Chapter 6). For an excellent analysis of how the inexistence of coherence in this respect requires the imposition of order, perhaps through Neil MacCormick’s process of ‘rational reconstruction’, see Beckett (2006), pp. 1054–1055.

  30. Koskenniemi (1989), p. 608.

  31. Jouannet (2004), p. 943: ‘the international judge plays a non-negligible, in fact decisive role, in the affirmation of these normative hierarchies’. To the concern about participating in the safeguarding of the system in which the judge is situated, one might add a requirement of formal coherence insofar as their own judicial discourse is concerned. Both Koskenniemi and Jouannet seem on this point to align their thoughts with those of Bourdieu (1987), p. 843, who mocks ‘the magistracy’s declared neutrality and its haughty independence from politics [which] by no means exclude a commitment to the established order’.

  32. Schwarzenberger (1968), p. 11; McNair (1961), pp. 531–532. This has to be distinguished from Kelsen’s idea of ‘authentic’ interpretation (as distinguished from ‘scientific’ interpretation); as explained by Kammerhofer (2011), p. 115, authentic interpretation is performed by organs authorised by the law to apply it; the result of authentic interpretation is a norm, or a law-creating act; authentic interpretation is an act of will, whereas scholarly interpretation is an act of cognition; ‘one determining what is law, the other finding the law’.

  33. United Nations Conference on the Law of Treaties: Official Records: Documents of the Conference, A/CONF.3/11/Add.2, p. 39, para. 8, and ILC Yearbook 1966, Vol. II, pp. 219–220, para. 8. See further Hernández (2014a), pp. 326–329.

  34. Venzke (2013a), p. 356. Venzke relies heavily, on this point, on Bourdieu (1987), p. 838: ‘[t]hese performative utterances, substantive—as opposed to procedural—decisions publicly formulated by authorized agents acting on behalf of the collectivity, are magical acts which succeed because they have the power to make themselves universally recognized [footnote omitted]. They thus succeed in creating a situation in which no one can refuse or ignore the point of view, the vision, which they impose’.

  35. Raz (2009a), p. 19.

  36. See Hart (1982), pp. 254–255. See also Green (2010); and Shapiro (2002), p. 389. See also Sciariffa (2009).

  37. As was convincingly demonstrated by Hart (1982), pp. 261–266; and Raz (1983), p. 234.

  38. Raz (1986), p. 35.

  39. Schauer (2008), p. 1935.

  40. This allows for authority to persist even when it is defied: see Venzke (2013b), p. 399, referring to Max Weber’s idea that authority exists as the potential to command obedience, and not merely as the command itself.

  41. Schauer (2008), pp. 1935–1936.

  42. Ibid., p. 1939. See also Raz (2009a), pp. 22–25: Raz’s conception of authority does not depend on its impact on the balance of reasons, but demands that the addressee of a command substitute her own will for that of the authority.

  43. For a fuller treatment of the principle, see Lamond (2010); Glenn (1987).

  44. Schauer (2008), p. 1941; Venzke (2013a), p. 359. John Gardner’s term ‘permissive’ might be preferable to ‘persuasive’: see Gardner (1988), p. 458.

  45. Schauer (2008), p. 1944, who adds that the use of a source can be persuasive or authoritative, but it cannot be both simultaneously.

  46. Arendt (2006), p. 93, cited in Venzke (2013a), p. 353.

  47. Barnett and Finnemore (2004), p. 5.

  48. See Raz (2009a), p. 113; see also Schauer (2008), p. 1956: ‘to recognize something as authority, even optional and non-conclusive authority, is to take it seriously as a source and thus to treat its guidance and information as worthy of respect. That a legal system premised to its core on the very notion of authority would worry about what it is treating as authoritative should come as little surprise’.

  49. Franck (1990), p. 24 (emphasis added). A similar point has been made by Venzke (2013a), p. 363, though he relies more on Luhmann’s systems theory to conclude that ‘what sustains authority is the social belief in its legitimacy, the expectation to follow what the authority says’.

  50. Hernández (2014a), ch. VI.

  51. For a functionalist viewpoint, see generally Alter (2006).

  52. Venzke (2013b), pp. 392–394; see also Bourdieu (1987), p. 828.

  53. Venzke (2013a), p. 357. The point is also developed in Venzke (2012), passim, and Venzke (2013b), p. 389.

  54. Beckett (2006), p. 1061.

  55. Hart (2012), p. 117.

  56. Culver and Giudice (2010), p. 4.

  57. Raz (1975), p. 491 (emphasis added). See also Shapiro (2011), p. 176: ‘Legal institutions are structured by shared plans that are developed for officials so as to enable them to work together in order to plan for the community’.

  58. Charney (1999), p. 704; Romano (1999), p. 751. See also the ‘Cross-Fertilization’ debates: Helfer and Slaughter (1997), p. 323; Koch (2004); and Jacobs (2008).

  59. Raz (2009a), p. 107. The term ‘legal official’ used by Hart is essentially the same as Raz’ concept of ‘norm-applying institution’, and the terms are used interchangeably here as broadly synonymous with the concept of ‘law-applying authority’.

  60. Hart (2012), p. 214.

  61. D’Aspremont (2011), p. 141.

  62. Ibid. D’Aspremont suggests that this densification is sufficient to consider these judicial institutions as ‘organs’ of the international order. On the general legitimacy attributed to these various international courts and tribunals, studies abound, adopting a broad variety of perspectives. A recent general handbook was published in 2014: Romano, Alter and Shany (2014); Alter (2014); Shany (2014); Webb (2013); Schill (2009); Schulze (2005); and Pauwelyn (2003).

  63. Payandeh (2010), p. 986, citing the United States Supreme Court.

  64. Himma (2001), p. 293.

  65. Raz (2009b), p. 106.

  66. Ibid., p. 108. He continues: ‘[t]he fact that a court may make a binding decision does not mean that it cannot err. It means that its decision is binding even when it is mistaken’ (emphasis added).

  67. Ibid., pp. 109–110.

  68. Often the solution being one of transposing assumptions about the nature of law, from the theory and practice of municipal law, into international society: Beckett (2008), p. 68. On the domestic analogy, see also Koskenniemi (2005), p. 122: ‘[t]he domestic analogy that persuades us—contrary to all evidence—that the international world is like the national so that legal institutions may work there as they do in our European societies’.

  69. D’Aspremont (2014a), p. 134.

  70. Venzke (2013b), p. 402. In other work, von Bogdandy and Venzke have sought to situate this demand for acceptance as an assertion of international public authority, defined as the legal capacity to determine others and to influence their freedom, in shaping their legal or factual situation: see von Bogdandy and Venzke (2012a), p. 18; von Bogdandy and Venzke (2012b), esp. pp. 15–20.

  71. See MacCormick (1986), p. 49.

  72. Beckett (2008), pp. 73–74.

  73. Hart (2012), pp. 116–117.

  74. Ibid.

  75. Hart (1983), p. 277. See also, more generally, Hart (2012), pp. 108–109. D’Aspremont has taken this a step further and gone so far as to suggest that Hart’s ultimate Rule of recognition is in fact derived essentially from the social practice of law-applying authorities: see d’Aspremont (2011), p. 133.

  76. D’Aspremont (2011), p. 197. The reliance on Wittgenstein’s theory of language to describe the social practice of relevant actors—lawyers, judges, academic commentators—contributing to what comes to be regarded as legal was also described in Simpson (1986), pp. 95–98.

  77. D’Aspremont, (2011), p. 141. See also Klabbers (1996), p. 12; Hart (2012), p. 148.

  78. Raz calls this the semantic thesis: Raz (2009a), p. 37. D’Aspremont (2011), p. 5 cites this approvingly, but his reliance on the practice of officials in Hart’s social thesis as determinative is perhaps misplaced. Hart himself emphasises that there were two ‘necessary and sufficient conditions’ for ‘the existence of a legal system’. First, those rules of behaviour which are valid according to the system’s ultimate criteria of validity must be generally obeyed by private citizens. Secondly, a legal system’s rules of recognition specifying the criteria of legal validity and its rules of change and adjudication must be effectively accepted as common public standards of official behaviour by the legal officials of the system: Hart (2012), p. 116.

  79. Prosper Weil made the point in relation to customary law in his analysis of North Sea Continental Shelf, ‘[…] la norme coutumière n’a pas pris corps avant que le juge international n’en énonce le contenu; elle existe uniquement grâce à cette énonciation qui lui donne vie et lui confère une existence propre’ (emphasis added): Weil (1987), p. 551.

  80. D’Aspremont (2011), p. 205.

  81. Ibid., p. 213.

  82. A prime example has been the ‘transnational judicial dialogue’ approach favoured by Slaughter (2003), p. 205, where she claims an awareness in the international judiciary that their actions are part of ‘a global community of law dealing with related problems’, and p. 218, concluding that a dialogue between national and international adjudicative bodies ‘may be as close as it is possible to come to a formal global legal system’. Slaughter’s vision of a ‘global community of courts’ is primarily based on horizontal dialogue between domestic courts, primarily based on the persuasive authority of the reasoning invoked in the case law they produce, and the mutual recognition courts accord each other in a self-reinforcing exercise. ‘Vertical’ communication between national and supranational courts would confirm this practice, purportedly strengthening the rule of law and promoting the interests of ‘a particular subset of individuals and groups in transnational society’: see Slaughter (1995a), and Slaughter (1995b), p. 535.

  83. D’Aspremont (2011), p. 202, using the term ‘accessible’.

  84. Tamahana (2001), p. 139.

  85. Ibid., p. 142.

  86. D’Aspremont (2011), p. 141.

  87. Collins (2015), p. 14.

  88. Raz (1975), p. 491; and Marmor (2001b), pp. 16-17: because their activities have the greatest normative consequences within their legal systems, judges are situated in the innermost circle of a legal system.

  89. D’Aspremont (2014a), p. 134.

  90. D’Aspremont (2011), p. 60.

  91. Schmitt and Vihul (2017); and see Kessler and Werner (2013) for a critical comment.

  92. Bourdieu (1987), p. 824.

  93. For a brief overview of the process of autopoiesis in sustaining and nourishing a system, see Luhmann (1986), p. 172.

  94. The complex term ‘reification’ is understood here in the manner explained by Marks (2001), p. 112: as ‘the process by which human products come to appear as if they were material things, and then to dominate those who produced them. Thanks to strategies of reification, men and women may cease to recognize the social world as the outcome of human endeavour, and begin to see it as fixed and unchangeable, an object of contemplation rather than a domain of action’.

  95. A distillation, perhaps of the judge-centric account in Ross (1959), p. 34. See also Paul Ricoeur, who decries this strand of positivism as ‘the complicity between the juridical rigidity attached to the idea of a univocal rule and the decisionism that ends up increasing a judge’s discretionary power’. Ricoeur (2000), p. 114.

  96. Beckett (2008), p. 60.

  97. Hart (2012), p. 59 (emphasis added).

  98. See supra, Sect. 4.1.

  99. Marmor (2001b), p. 10.

  100. Gardner (2004), p. 170.

  101. Hart (2012), p. 93.

  102. Bourdieu (1987), p. 817 (emphasis in the original).

  103. Culver and Giudice (2010), p. 20.

  104. Jenks (1953), p. 416.

  105. Schachter (1977-1978), p. 217. For a less laudatory approach to the invisible college, see Kennedy (2001).

  106. Dupuy (2002); see also Peat (2022); and Bianchi (2015), pp. 49–52.

  107. Ironically, the same term is used by Koskenniemi to describe a vastly different phenomenon: see Koskenniemi (1989) and the text accompanying n. 20.

  108. Pulkowski (2014), p. 238 (emphasis added). Pulkowski draws inspiration from Robert Cover’s view that legal interactions are defined as such if they are located in a nomos—a common script—shared by all participants. See Cover (1983), p. 10.

  109. Pulkowski (2014), p. 239.

  110. For example, in respect of concepts such as necessity as a circumstance precluding wrongfulness, full protection and security clauses, and the definition of reparations. A detailed analysis of such an ‘integrationist’ approach is found throughout in Baetens (2013).

  111. See Pauwelyn (2001), examining the interpretative practices of the Dispute Settlement Body, its treatment of customary international law, and its emphasis on the WTO Agreement as a self-contained regime within international law.

  112. On this point, see the generally favourable treatment of the ICJ and ILC given to the pronouncements of human rights monitoring bodies and the reasons given, as gathered in Azaria (2020).

  113. Pulkowski (2014), p. 255, though Pulkowski suggests that it is a result that may also be avoided. Cf. d’Aspremont (2011), p. 213, who envisages a more limited social consciousness on the part of law-applying authorities, though he does concede that they seem generally heedful of the need to achieve the overall coherence and consistency of international legal rules.

  114. Pulkowski (2014), p. 276.

  115. Pulkowski (2014), p. 243.

  116. Fish (1980), pp. 338–355.

  117. See Fiss (1982).

  118. Bianchi (2009), p. 404. D’Aspremont (2011), p. 21, suggests that the doctrine of sources would be one such elementary discourse rule for international lawyers.

  119. Koskenniemi (1989), p. 566.

  120. Ruggie (1975), pp. 569-570. See also Kennedy (2001), p. 466.

  121. Haas (1992), p. 3.

  122. Koskenniemi (1989), pp. 573–574. Such professional competency is then rooted in a mastery of the past: the reproduction of the canon of past texts and modes of thinking and action that have constituted a discipline: see Bourdieu (1987), p. 820, and also Venzke (2012), p. 120.

  123. Koskenniemi (1989), p. 616.

  124. Dupuy (1989), p. 569; Venzke (2012), p. 105.

  125. See, in this respect, Kelsen (1970), p. 355: ‘[t]he interpretation of law by the science of law (jurisprudence) must be sharply distinguished as nonauthentic from the interpretation by legal organs. Jurisprudential interpretation is purely cognitive ascertainment of the meaning of legal norms. In contrast to the interpretation by legal organs, jurisprudential interpretation does not create law’.

  126. It is conceded that the process of interpretation, in the hermeneutic sense of ascribing meaning or content to a rule, is distinct in its teleology from the process of application, if the latter is understood as a process of determining the consequences or effects of that rule: Schwarzenberger (1968), p. 7.

  127. Kelsen (1970), pp. 353–354.

  128. But cf. Coleman (2001), p. 115: ‘Acceptance from the internal point of view by officials is a conceptual requirement of the possibility of law; acceptance from the internal point of view by a substantial proportion of the populace is neither a conceptual nor an efficacy requirement’.

  129. A point raised in the International Law Commission, ‘Fragmentation of International Law: Difficulties Arising from the Diversification and Expansion of International Law—Report of the Study Group of the International Law Commission’, UN Doc. A/CN.4/L.682 (13 April 2006), as corrected UN Doc. A/CN.4/L.682/Corr.1 (11 August 2006) (finalized by Martti Koskenniemi), para. 468.

  130. Jouannet (2004), p. 946: the judge assumes ‘une fonction d’acteur à part entière du système, où il prend part au débat sur les valeurs les plus fondamentales de ce système, où il est vecteur et créateur reconnu d’une certaine hiérarchie minimale, de la cohérence et de la stabilité du système juridique’.

  131. Stone (1954), p. 364.

  132. Koskenniemi (1989), p. 597, suggesting that the entire process of hermeneutics is a ‘universalisation project, a set of hegemonic moves that make particular arguments or preferences seem something other than particular because they seem, for example “coherent” with the “principles” of the legal system’. A version of this argument was also advanced in Falk (1967–1968), pp. 324-325: ‘[s]elf-interested interpretation presented as authoritative or objective interpretation has been an essential ingredient of all patterns of domination, veiling oppressive and exploitative relationships in the guise of that which is “natural” or “true” or “necessary”’.

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Acknowledgements

The author is grateful for the feedback and interactions with colleagues during the virtual seminar organised in June 2021 by Panos Merkouris and Sotirios Lekkas. Equally, the paper has benefited from comments and feedback from Jean d’Aspremont, Daniel Peat and Antoine de Spiegeleir, and the editing assistance of Pauline Janssens, to whom the author is much obliged.

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Hernández, G. Law’s Determinability: Indeterminacy, Interpretative Authority, and the International Legal System. Neth Int Law Rev 69, 191–219 (2022). https://doi.org/10.1007/s40802-022-00222-0

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