(II) Shortened schedule The Secretary may not shorten a schedule under clause (i) if doing so would impair the ability of a cooperating Federal agency to conduct necessary analyses or otherwise carry out relevant obligations of the Federal agency for the project. (F) Failure to meet deadline If a cooperating Federal agency fails to meet a deadline established under subparagraph (D)(ii)(I)— (i) the cooperating Federal agency shall, not later than 10 days after failing to meet the deadline, submit to the Secretary a report that describes the reasons why the deadline was not met