In the case of any security which is not required to be registered under the Securities Act of 1933 [15
et seq.] and to which subsection (a) ofsection
of this title is applicable notwithstanding the provisions of section
of this title, an application for qualification of the indenture under which such security has been or is to be issued shall be filed with the Commission by the issuer of such security. Each such application shall be in such form, and shall be signed in such manner, as the Commission may by rules and regulations prescribe as necessary or appropriate in the public interest or for the protection of investors. Each such application shall include the information and documents required by subsection (a) ofsection
of this title. The information and documents required by paragraph (1) of such subsection with respect to the person designated to act as indenture trustee shall be contained in a separate part of such application, which part shall be signed by such person. Each such application shall also include such of the other information and documents which would be required to be filed in order to register such indenture security under the Securities Act of 1933 as the Commission may by rules and regulations prescribe as necessary or appropriate in the public interest or for the protection of investors. An application may be withdrawn by the applicant at any time prior to the effective date thereof. Subject to the provisions of section
of this title, the information and documents contained in or filed with any application shall be made available to the public under such regulations as the Commission may prescribe, and copies thereof, photostatic or otherwise, shall be furnished to every applicant therefor at such reasonable charge as the Commission may prescribe.