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21 Duke J. Comp. & Int'l L. 207 (2010-2011)
Bespoke Custom

handle is hein.journals/djcil21 and id is 211 raw text is: BESPOKE CUSTOM

EDWARD T. SWAINE*
INTRODUCTION
Curtis Bradley and Mitu Gulati's stimulating article describes a
version of customary international law (CIL) they claim has been left on
the shelf-and which they suggest might be dusted off and employed
again.' CIL, they argue, was once thought to be subject (sometimes) to a
right of unilateral withdrawal. They are at pains to avoid directly
advocating a return to that approach, but they do suggest that it deserves
serious consideration. Adopting a constrained right of unilateral withdrawal
comes across as less of a revolution than a restoration, a return to those
halcyon days before CIL was modernized (or, perhaps, radicalized).
Bradley and Gulati deserve great credit for helping to revitalize the
debate about CIL, and they correctly perceive that modern discussion
neglects the possibility of unilateral withdrawal-and that a reevaluation is
in order. This brief Essay simply hopes to extend that dialogue, rather than
offering categorical support or opposition to the so-called Default View. It
does suggest, though, that Bradley and Gulati's account of customized
custom is itself bespoke. Because their understanding of the intellectual
history of CIL, and that history's continuing significance, is contestable,
they tend to understate the novelty of their thought-experiment. This bears,
in turn, on their normative assessment of its appeal.
I. THE DEFAULT VIEW OF CIL
The Default View of CIL, according to Bradley and Gulati, is that
CIL rules were at least sometimes subject to unilateral withdrawal.2 The
qualifier contemplates two kinds of exceptions. First, it would permit only
prospective withdrawal and, perhaps, require reasonable notice in order to
protect reliance interests.3 Second, a narrow  class of rules--discussed
* Professor of Law, George Washington University Law School.
1. See Curtis A. Bradley & Mitu Gulati, Withdrawingfrom International Custom, 120 YALE L.J.
202 (2010). This Essay was originally prepared in reaction to a prior version of their article.
2. Id. at 206 (emphasis added).
3. Id. at 258-59; see also id. at 215.

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