(2) notwithstanding clause (i), shall retain full authority to modify, supplement, revise, or subsequently amend, modify, or repeal, in whole or in part, any portion of any statement described in clause (i). (B) INITIAL AND TRANSITIONAL STANDARDS.—The Board shall adopt standards described in subparagraph (A)(i) as initial or transitional standards, to the extent the Board determines necessary, prior to a determination of the Commission under section 101(d), and such standards shall be separately approved by the Commission at the time of that determination, without regard to the procedures required by section 107 that otherwise would apply to the approval of rules of the Board.