Where fraud in a payment claim or adjudication application under the BCIPA (Qld) affects only a discrete and quantifiable component of the claim, the court will exercise its equitable jurisdiction to limit enforcement to the unaffected portion rather than setting aside the entire adjudication decision. The equitable jurisdiction to set aside a decision obtained by fraud does not require proof that the truth could not have been discovered with reasonable diligence before the decision. Section 32(1)(b) of the BCIPA is unlikely to be engaged where an adjudication decision is set aside for fraud of a party (as distinct from adjudicator error), potentially leaving no statutory mechanism for re-adjudication. A denial of natural justice in the adjudication process will not warrant relief where compliance with natural justice could not possibly have produced a different result.
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