This Act shall apply to every company registered but not formed under the Joint Stock Companies Acts, the Companies Act, 1862, the Companies (Consolidation) Act, 1908, or the Companies Act, 1929, in the same manner as it is in Part VIII of this Act declared to apply to companies registered but not formed under this Act:
Provided that reference, express or implied, to the date of registration shall be construed as a reference to the date at which the company was registered under the Joint Stock Companies Acts, the Companies Act, 1862, the Companies (Consolidation) Act, 1908, or the Companies Act, 1929, as the case may be.