The Tribunal trawls through many antediluvian authorities but it may be more helpful to take the recent statement in @PCA_CPA Chagos Arbitration files.pca-cpa.org/pcadocs/MU-UK%….
One tantalising paragraph that leaves all interesting things unpacked (@AustHelmut @milesmjackson @VLanovoy). But an actual judicial engagement with Article 16, however brief, is not to be belittled.