COVID-19, Preventative Measures and the Investment Treaty Regime
States could rely on secondary rules on State responsibility to defend preventative measures relating to COVID-19, yet their successful invocation depends on satisfying several conditions set out in the ILC’s Draft Articles on the Responsibility of States for Internationally Wrongful Acts, a discussion of which is beyond the scope of this post. Meanwhile, the applicability of the doctrine of margin of appreciation, developed by the European Court of Human Rights, to the claims arising under BITs has been accepted, justifying why investment tribunals should pay deference to governmental judgments of national requirements in the protection of public health when the “discretionary exercise of sovereign power, [is] not made irrationally and not exercised in bad faith”