¹ d'Aspremont, J., ‘International Customary Investment Law: Story of a Paradox’, in Gazzini, T. and De Brabandere, E. (eds.), International Investment Law: The Sources of Rights and Obligations (2012), 5 CrossRefGoogle Scholar, at 8.

² Philip Morris Brands Sarl et al v. Oriental Republic of Uruguay, ICSID Case No. ARB/10/7, Award, 8 July 2016, paras. 290–301.

³ P. Dumberry, The Formation and Identification of Rules of Customary International Law in International Investment Law (2016), 1.

⁴ ILC Special Rapporteur Sir Michael Wood, Second Report on Identification of Customary International Law (2014), UN Doc. A/CN.4/672, at 11, 14.

⁵ Dumberry, supra note 3, at 9.

⁶ A. Roberts, ‘Custom, Public Law and Human Rights Analogy’, EJIL:Talk!, 14 August 2013, available at www.ejiltalk.org/custom-public-law-and-the-human-rights-analogy.

⁷ Dumberry, supra note 3, at 47.

⁸ ‘Identification of Customary International Law’, Report of the ILC 68^th session (2016), UN Doc. A/71/10, at 92, para. 5.

⁹ Ibid.

¹⁰ Ahmadou Sadio Diallo (Republic of Guinea v. Democratic Republic of the Congo), Preliminary Objections, Judgment of 24 May 2007, [2007] ICJ Rep. 582, at 615, para. 90.

¹¹ Dumberry, supra note 3, at 185.

¹² Ibid., at 293.

¹³ Ibid., at 334.

¹⁴ Ibid., at 373–82.

¹⁵ Ibid., at 410.