; or (B) subject to paragraph (2)(A), once a first or second nomination for the office is submitted to the Senate, from the date of such nomination for the period that the nomination is pending in the Senate. (2) (A) (i) If the first nomination for the office is rejected by the Senate, withdrawn, or returned to the President by the Senate, such officer of the Government may continue to serve in an acting role for no more than 210 days after the date of such rejection, withdrawal, or return. (ii) Notwithstanding subparagraph (A), if a second nomination for the office is submitted to the Senate after the rejection, withdrawal, or return of the first nomination, the officer of the Government serving in an acting role may continue to serve— (I) until the second nomination is confirmed; or (II) for no more than 210 days after the second nomination is rejected, withdrawn, or returned. (B) If the office of the Commissioner becomes vacant during an adjournment of the Congress sine die, the 210-day period under paragraph (1) shall begin on the date that the Senate first reconvenes. (C) (i) With respect to any vacancy of the office of the Commissioner that exists during the 60-day period beginning on a transitional inauguration day, the 210-day period under paragraph (1) shall be deemed to begin on the later of the date occurring— (I) 90 days after such transitional inauguration day