On the Interpretation of the General Duty of 'Due Regard'

Ocean Yearbook 32 (Leiden: Brill Nijhoff, 2018, Forthcoming)

22 Pages Posted: 9 Aug 2017 Last revised: 14 Nov 2017

See all articles by Julia Gaunce

Julia Gaunce

University of Calgary, Faculty of Law, Students

Date Written: March 30, 2017

Abstract

This paper is a study of the interpretation of open-textured international treaty terms and a doctrinal analysis of the undefined, open-textured term “due regard” under the United Nations Convention on the Law of the Sea (UNCLOS). The focus is on UNCLOS Articles 87(2), 56(2) and 58(3) under which a state is to have “due regard” to — or, to balance — the rights, duties and freedoms of other states when it exercises its own rights, duties and freedoms. Relevant rules of international treaty interpretation set out in the Vienna Convention on the Law of Treaties are considered with emphasis on doctrinal debates as to when and how preparatory work (travaux préparatoires, a treaty’s negotiation record, or legislative history) may be used as a treaty interpretive aid. An exhaustive examination of judicial interpretations of the UNCLOS on this point confirms that recourse to preparatory work is prevalent in the judicial interpretation of open-textured terms under the UNCLOS. Next, “due regard” is interpreted with reference to the term’s ordinary meaning and context and in light of the UNCLOS’s object and purpose — and, on the basis that “due regard” is an open-textured, ambiguous or obscure UNCLOS term, using legislative history to inform and confirm an understanding of its meaning. Finally, judicial interpretations and applications of “due regard” are examined. The interpretive conclusions are that the duty of “due regard” signifies (a) a relationship based on legal equality, and (b) the shift from traditional laissez-faire freedoms of the seas to a comprehensive, more heavily normative legal order under the UNCLOS. The practical consequence of the first is that no state enjoys priority in any ocean use conflict beyond the territorial sea simply on the basis of its interests being either sovereign or based on freedoms of the high seas. The practical consequences of the second are that “due regard” is a more heavily normative and narrower standard than its predecessor “reasonable regard”, and, because it encompasses obligations to the interests of the international community, any specific application of “due regard” must always include ecological considerations, howsoever to be weighted.

Keywords: United Nations Convention on the Law of the Sea, due regard, international treaty interpretation, preparatory work

Suggested Citation

Gaunce, Julia, On the Interpretation of the General Duty of 'Due Regard' (March 30, 2017). Ocean Yearbook 32 (Leiden: Brill Nijhoff, 2018, Forthcoming) , Available at SSRN: https://ssrn.com/abstract=3014217

Julia Gaunce (Contact Author)

University of Calgary, Faculty of Law, Students ( email )

Murray Fraser Hall
2500 University Dr. N.W.
Calgary, Alberta
Canada

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