(a) In General.—Notwithstanding any other provision of law, the Secretary may issue an order directing an employee of the Department to repay the amount, or a portion of the amount, paid to or on behalf of the employee under title 5 for relocation expenses, including any expenses under section 5724 or 5724a of such title, or this title if—
(1)
the Secretary determines that relocation expenses were paid following an act of fraud or malfeasance that influenced the authorization of the relocation expenses;
(b) Appeal of Order of Secretary.—