New South Wales Consolidated Acts(cf ICAC Act s 38; RC (PS) Act s 12)
The Commissioner or person presiding at the hearing may declare that all or
any classes of answers given by a witness or that all or any classes of
documents or other things produced by a witness will be regarded as having
been given or produced on objection by the witness, and there is accordingly
no need for the witness to make an objection in respect of each such answer,
document or other thing.