The Commission may by rules and regulations, or upon application of an interested person, by order, after notice and opportunity for hearing, exempt in whole or in part any issuer or class of issuers from the provisions of subsection (g) of this section or from section
78m,
78n, or
78o
(d) of this title or may exempt from section
78p of this title any officer, director, or beneficial owner of securities of any issuer, any security of which is required to be registered pursuant to subsection (g) hereof, upon such terms and conditions and for such period as it deems necessary or appropriate, if the Commission finds, by reason of the number of public investors, amount of trading interest in the securities, the nature and extent of the activities of the issuer, income or assets of the issuer, or otherwise, that such action is not inconsistent with the public interest or the protection of investors. The Commission may, for the purposes of any of the above-mentioned sections or subsections of this chapter, classify issuers and prescribe requirements appropriate for each such class.