Chapter

International Law as to the Use of Force

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Abstract

In its December 2005 Partial Award, the Eritrea-Ethiopia Claims Commission addressed two core issues: (1) whether it had jurisdiction over Ethiopia’s jus ad bellum claim, and (2) whether Eritrea’s use of force violated international law. On the first question, the Commission found that it had jurisdiction based on its interpretation of Article 5(1) of the Framework Agreement. While this interpretation has been criticised as being unreasonably wide, the Commission’s interpretation squares with the ordinary meaning of Article 5(1) as it had jurisdiction over ‘other violations of international law’. Moreover, both Eritrea and Ethiopia could have expressly excluded jus ad bellum claims, but did not elect to do so. On the second question, the Commission found that Eritrea was not acting in self-defence and had violated Article 2(4) of the UN Charter. This decision is consistent with the 1970 Friendly Relations Declaration and the principle that a State may not resort to a use of force to recover disputed territory. The Commission also correctly rejected the argument that Eritrea had acted in self-defence. The fighting that had occurred between both States were minor incidents that were geographically limited, therefore falling below the threshold for an ‘armed attack’ as set by the ICJ in Nicaragua. However, the Partial Award would have benefitted from greater factual detail as to why the border incidents did not amount to an armed attack. The Commission also correctly rejected the argument that Ethiopia had declared war given the lack of an explicit affirmation.

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