In its application to existing companies, this Act shall apply in the same manner—
(a)
in the case of a limited company, other than a company limited by guarantee, as if the company had been formed and registered under this Act as a company limited by shares ;
(b)
in the case of a company limited by guarantee, as if the company has been formed and registered under this Act as a company limited by guarantee ; and
(c)
in the case of a company, other than a limited company, as if the company had been formed and registered under this Act as an unlimited company : 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 Companies Act, 1912 as the first Nigerian enactment in respect of companies, or as the case may be, any enactment relating to companies thereafter in force in Nigeria before the commencement of this Act.