Where a claim is brought pursuant to this Section and another international agreement and:  

(a) there is a potential for overlapping compensation; or  
(b) the other international claim could have a significant impact on the resolution of the claim brought pursuant to this Section,

the Tribunal shall, as soon as possible after hearing the disputing parties, stay its proceedings or otherwise ensure that proceedings brought pursuant to another international agreement are taken into account in its decision, order or award.