Watpac Constructions v Austin Group [2010] NSWSC 347

Building and Construction – where adjudication determination based on payment claim that included impermissibly re-agitated claims – consequences of issue estoppel and abuse process – whether determination void or whether enforcement of rights may be restrained to extent of invalidity – where adjudication determination involved substantial denial of natural justice – consequences of denial of natural justice – whether determination void – whether determination wholly void or void to extent of denial – Building and Construction Industry Security of Payment Act 1999 (NSW).

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