Section 230.413 - Registration of additional securities and additional classes of securities(a) Except as provided in section 24(f) of the Investment Company Act of 1940 (15 U.S.C. 80a-24(f) ) and in paragraph (b) of this section, where a registration statement is already in effect, the registration of additional securities shall only be effected through a separate registration statement relating to the additional securities.(b) Notwithstanding paragraph (a) of this section, the following additional securities or additional classes of securities may be added to an automatic shelf registration statement already in effect by filing a post-effective amendment to that automatic shelf registration statement:(1) Securities of a class different than those registered on the effective automatic shelf registration statement identified as provided in Rule 430B(a) (§ 230.430B(a) ) ; or(2) Securities of a majority-owned subsidiary that are permitted to be included in an automatic shelf registration statement, provided that the subsidiary and the securities are identified as provided in Rule 430B and the subsidiary satisfies the signature requirements of an issuer in the post-effective amendment.70 FR 44811, Aug. 3, 2005