4.2.3 The practice of dissenting states and persistent objectors 4.2.4 Duration of practice : If, and when, certain patterns of practice are emerging, or have emerged, states may wish to diverge or dissent from such practice. States may dissent from a customary rule from its inception onwards. The feasibility of such dissent was acknowledged by the ICJ in the Anglo-Norwegian Fisheries case (1951). The case concerned the manner in which Norway calculated its territorial sea and the

doi:10.4324/9781843143802-18

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4.2.3 The practice of dissenting states and persistent objectors 4.2.4 Duration of practice

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ABSTRACT

Even without the passage of any considerable period of time, a very widespread and representative participation in the (practice) might suffice of itself ...

question, short though it might be, state practice ... should have been both extensive and virtually uniform.