17 C.F.R. § 270.18f-2
(c)
(h) For the purposes of this § 270.18f-2 a “majority of the outstanding voting securities” of a class or series, (1) when used with respect to a matter required by any provision of the Act to be submitted to the outstanding voting securities of a series company, shall have the same meaning as a “majority of the outstanding voting securities of a company” as defined in section 2(a)(42) of the Act; and (2) when used with respect to any other matter required to be submitted to the outstanding voting securities of a series company, shall mean the lesser of (i) the minimum vote of the outstanding voting securities of a company required by applicable State law or other applicable requirement, or (ii) the minimum vote specified by paragraph (1) of this paragraph (h), unless State law requires approval of such matters by a specified percentage of the outstanding voting securities of a particular class or series, in which case, State law shall apply.
(Secs. 6(c), 13, 15(a), 15(b), 16(a), 18(f)(2), 32(a), 54 Stat. 800, 811, 812, 813, 817, 838, 841, 15 U.S.C. 80a-6(c), 80a-13, 80a-15(b), 80a-16(a), 80a-18(f)(2), 80a-31(a), 80a-37(a), Pub. L. 91-547, 84 Stat. 1421)
[37 FR 17386, Aug. 26, 1972]