; (C) may, for a subsequent failure to fulfill an attestation required by this subsection, or a misrepresentation of a material fact in a petition under this subsection, disqualify the employer from the employment of H–2C workers for a period of 5 years; and (D) may, for a subsequent willful failure to fulfill an attestation required by this subsection, or a willful misrepresentation of a material fact in a petition under this subsection, permanently disqualify the employer from the employment of H–2C workers. (i) Failure To pay wages or required benefits (1) In general If the Secretary of Agriculture finds, after notice and opportunity for a hearing, that the employer has failed to provide the benefits, wages, and working conditions that the employer has attested that it would provide under this subsection, the Secretary shall require payment of back wages, or such other required benefits, due any United States workers or H–2C workers employed by the employer. (2) Amount The back wages or other required benefits described in paragraph (1)— (A) shall be equal to the difference between the amount that should have been paid and the amount that was paid to such workers