If owing to changes in the constitution or shareholding of any company which has been recognized as a public company under paragraph (a), (b) or (c)  of subsection (2) of section 38, or for any other reason, the Commissioner is no longer satisfied of the matters of which he is in terms of the applicable paragraph required to be satisfied, or the company ceases to comply with the requirements of that paragraph, the Commissioner may notify the public officer of the company that it will as from the next succeeding specified date be recognized as a private company.