; and (bb) 10 percentage points. (II) Additional adjustments After adjustments under subclause (I) the amount of the surcharge assessed under subparagraph (A) shall be additionally adjusted as follows: (aa) If the qualifying flight is made using an aircraft with a maximum takeoff weight of more than 40,000 pounds, the amount of the surcharge shall be doubled. (bb) If the qualifying flight consumes sustainable aviation fuel, the amount of the surcharge shall be reduced by a percentage equal to the percentage reduction in the calculated greenhouse gas emissions achieved by the fuel or mix of fuels consumed by the qualifying flight, as compared to traditional jet fuel. (3) Deadline A surcharge assessed under this subsection shall be due and payable to the Administrator not later than the date that is 30 days after the date on which the surcharge was assessed. (4) Penalty If an operator fails to pay a surcharge assessed under this subsection by the date described in paragraph (3)— (A) the Administrator shall inform the Administrator of the Federal Aviation Administration of the failure of the operator to pay the surcharge