New South Wales Consolidated Acts New South Wales Consolidated ActsIf during the time that a group licence is in force, alterations have been made in or in connection with the work covered by the group licence which materially and prejudicially affect the quantity of water flowing into or from, or being in any river or lake, without the previous consent of the Ministerial Corporation, the person who made the alterations shall be liable to a penalty not exceeding 100 penalty units, and, in addition to the imposition of that penalty, the group licence may be cancelled by the Ministerial Corporation.