Notwithstanding subsection (b)(2) of section 57 of the Act, the provisions of subsection (a) of that section shall not apply to any person (a) solely because that person is directly or indirectly controlled by a business development company or (b) solely because that person is, within the meaning of section 2(a)(3) (C) or (D) of the Act [15 U.S.C. 80a-2(a)(3) (C) or (D)], an affiliated person of a person described in (a) of this section.