Agusman, Damos D., and Gulardi Nurbintoro

Abstract
This Commentary is a response to the article ‘The Maritime Boundaries of Malaysia and Indonesia in The Malacca Strait: An Appraisal’ by Hamzah et al., published in this journal in 2014. Having interpreted Indonesia’s practice with respect to the boundary negotiations with Malaysia in the Strait of Malacca, Hamzah et al. suggested that Indonesia’s intent to negotiate an Exclusive Economic Zone boundary agreement does not serve the object and purpose of the 1969 Continental Shelf Boundary Agreement agreed between both countries. Furthermore, the authors argue that a single boundary line has become a part of customary international law. This Commentary demonstrates that the 1969 Agreement indicates no intent of the parties to draw a single maritime boundary line. The commentary concludes with a consideration on the customary international law status of a single maritime boundary line.
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