the hiring of any individual, to require the individual to post a bond or security, to pay or agree to pay an amount, or otherwise to provide a financial guarantee or indemnity, against any potential liability arising under this section relating to such hiring of the individual. (2) Civil penalty Any employer who is determined, after notice and opportunity for mitigation of the monetary penalty under subsection (e), to have violated paragraph (1) shall be subject to a civil penalty of $10,000 for each violation and to an administrative order requiring the return of any amounts received in violation of such paragraph to the employee or, if the employee cannot be located, to the general fund of the Treasury. (g) Government contracts (1) Contractors and recipients Whenever an employer who is a Federal contractor (meaning an employer who holds a Federal contract, grant, or cooperative agreement, or reasonably may be expected to submit an offer for or be awarded a government contract) is determined by the Secretary to have violated this section on more than 3 occasions or is convicted of a crime under this section, the employer shall be considered for debarment from the receipt of Federal contracts, grants, or cooperative agreements in accordance with the procedures and standards and for the periods prescribed by the Federal Acquisition Regulation. However, any administrative determination of liability for civil penalty by the Secretary or the Attorney General shall not be reviewable in any debarment proceeding. (2) Inadvertent violations Inadvertent violations of recordkeeping or verification requirements, in the absence of any other violations of this section, shall not be a basis for determining that an employer is a repeat violator for purposes of this subsection. (3) Other remedies available Nothing in this subsection shall be construed to modify or limit any remedy available to any agency or official of the Federal Government for violation of any contractual requirement to participate in the System, as provided