Legislation providing for judicial reconsideration of previously authorised release on licence of indefinitely detained sexual offenders does not infringe the Kable principle where it confers a genuine judicial function on the court without directing the outcome, even if it applies to a very narrow class of persons and was enacted while related proceedings were pending. The 'changed law rule' permits Parliament to legislate to alter rights in issue in pending litigation without interfering with the exercise of judicial power, provided the legislation does not direct the court as to the manner and outcome of the exercise of jurisdiction.
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