; and (ii) 5 percentage points. (3) Deadline A fee assessed under paragraph (1) shall be due and payable to the Administrator not later than the later of— (A) the date that is 30 days after the date on which the fee is assessed; and (B) the end of the calendar year in which the fee is assessed. (4) Penalty Notwithstanding any other provision of law or any circumstances that jeopardize the safety of a vessel the voyage of which is a covered voyage, the persons aboard such a vessel, or the environment, if an operator fails to pay a fee assessed under paragraph (1) by the date described in paragraph (3)— (A) the Administrator shall inform the Commandant of the Coast Guard of the failure of the operator to pay the fee; and (B) the Commandant of the Coast Guard shall, until the Administrator informs the Commandant of the Coast Guard that all outstanding fees assessed under paragraph (1) have been paid, prohibit— (i) the operator from operating within the waters of the United States