Notwithstanding anything in sections 15 and 47 of the Act of 1845 and section 28 of the Act of 1863, the Company shall not be under any obligation to keep registers of transfers of ordinary shares, preference shares, debenture stock and mortgages respectively so long as the Company in lieu of those registers shall keep a file of all transfers and evidences of transmission of any ordinary shares, preference shares, debenture stock or mortgages of the Company which are sent to them for registration in accordance with the provisions of those Acts.