Amendment, Civil procedure, meaning of "the material concerned" which was not reasonably available to the party at the time of the pre-filing statement, meaning of “materially different” to pre-filing statement, Pleadings, s 318 of the Workplace Injury Management and Workers Compensation Act 1998 (NSW), where plaintiff seeks to amend particulars, where plaintiff seeks to rely on an expert report received after pre-filing statement, whether the substance of the material was reasonably available at the time of the pre-filing statement
