Section 63(3)(a) of the Civil Procedure Act 2005 (NSW) does not empower a court to set aside a perfected final judgment given after a hearing on the merits at which both parties were fully heard. The general word 'judgment' in s 63(3)(a) must be read narrowly in light of the fundamental common law principle that perfected final orders can only be challenged on appeal or for fraud. A breach of the general duty under s 56(3) to assist the Court is not a failure to comply with a 'requirement' within s 63(1). UCPR Pt 36.15(1) is directed at irregularity in the giving, making or entering of orders, not at irregularities in pre-trial conduct.
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