New South Wales Consolidated Acts New South Wales Consolidated ActsA costs assessor (or, in the case of a review of or an appeal against a costs assessment, a panel under Subdivision 5 of Division 11 or a court) is to take into account the GST (within the meaning of the A New Tax System (Goods and Services Tax) Act 1999 of the Commonwealth) referable to the provision of legal services when making or reviewing a determination of legal costs payable.