(a) (1) Except as provided in this section, it shall be unlawful for any registered open-end management investment company (other than a company complying with the provisions of section 10(d) of the Act (15 U.S.C. 80a-10(d) ) ) to act as a distributor of securities of which it is the issuer, except through an underwriter; (2) For purposes of this section, such a company will be deemed to be acting as a distributor of securities of which it is the issuer, other than through an underwriter, if it engages