Deference in International Courts and Tribunals: Standard of Review and Margin of Appreciation

International courts and tribunals are often asked to review decisions originally made by domestic decision-makers. This can often be a source of tension, as the international courts and tribunals need to judge how far to defer to the original decisions of the national bodies. As international courts and tribunals have proliferated, different courts have applied differing levels of deference to those originial decisions, which can lead to a fragmentation in international law. International ...