Section 101 of the Environmental Planning and Assessment Act 1979 (NSW) does not bar a challenge to the validity of a development consent on the ground of denial of procedural fairness, even after the three-month limitation period has expired, because procedural fairness constitutes an 'inviolable limitation or restraint' within the Hickman principle. Under Regulation 145(1)(a), the only jurisdictional fact is whether the certifying authority was in fact satisfied that the construction certificate plans were not inconsistent with the consent plans; the court will not independently determine whether such inconsistency exists.
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