49 U.S. Code § 14907 - Recordkeeping and reporting violations
A person required to make a report to the Secretary or the Board, as applicable, answer a question, or make, prepare, or preserve a record under this part about transportation subject to jurisdiction under subchapter I or III of chapter 135, or an officer, agent, or employee of that person, that—
(2) does not specifically, completely, and truthfully answer that question in 30 days from the date the Secretary or Board, as applicable, requires the question to be answered;
(6) makes a false or incomplete entry in that record about a business related fact or transaction; or
(7) makes, prepares, or preserves a record in violation of an applicable regulation or order of the Secretary or Board;
is liable to the United States for a civil penalty of not more than $5,000.