(3)Where, at the commencement of this Act, any person is holding the office either of manager or of Managing Director in more than two companies, he shall, within one year from the commencement of this Act, choose not more than two of those companies as companies in which he wishes to continue to hold the office of manager or Managing Director, as the case may be; and the provisions of clauses (b) and (c) of sub-section (1) and of sub-sections (2) and (3) of section 276 shall apply mutatis mutandis in relation to this case, as those provisions apply in relation to the case of a Director.