It's good that at least one poster is looking for factual information. The timely disclosure of interests held by directors and substantial shareholders is important to investors : Failure to Lodge Forms Under section 671C a person who contravenes the Substantial Shareholder obligations and/or notice requirements may be liable for any loss or damage caused to another party, but they may have a defence if the contravention was due to: - inadvertence or mistake - being unaware of a relevant fact or occurrence. NOTE: these obligations lie with the Substantial Shareholder – there is no obligation on the Company to ensure a Form is lodged nor any ramifications for the Company if it is not lodged. However, a Company may offer to ‘assist’ the Substantial Shareholder’s stock exchange lodgement requirement by offering to lodge on his behalf through the Company’s on-line lodgement facility.