Subject to subsection (b), the provisions of subchapter II of chapter 5 of title 5 shall apply to any rule or order issued under this chapter having the applicability and effect of a rule as defined in section 551(4) of title 5; except that sections 554, 556, and 557 of such title 5 shall not apply to any order under such section 3361, 3362, or 3363 of this title.