Determinations of the Commission, for purposes of making rules pursuant to section 78ccc(e)(3) and section 78iii(f) of this title shall be after appropriate notice and opportunity for a hearing, and for submission of views of interested persons in accordance with the rulemaking procedures specified in section 553 of title 5, but the holding of a hearing shall not prevent adoption of any such rule or regulation upon expiration of the notice period specified in subsection (d) of such section and shall not be required to be on a record within the meaning of subchapter II of chapter 5 of such title.