There is hereby imposed a penalty on the failure of any person to make a contribution required under section 402(h)(5)(B)(ii) of the Surface Mining Control and Reclamation Act of 1977 to a plan referred to in section 402(h)(2)(C) of such Act. For purposes of applying this section, each such required monthly contribution for the hours worked of any individual shall be treated as if it were a premium required to be paid under section 9704 with respect to an eligible beneficiary.
No penalty shall be imposed by subsection (a) on any failure during any period for which it is established to the satisfaction of the Secretary of the Treasury that none of the persons responsible for such failure knew, or exercising reasonable diligence would have known, that such failure existed.
In the case of a failure that is due to reasonable cause and not to willful neglect, the Secretary of the Treasury may waive all or part of the penalty imposed by subsection (a) for failures to the extent that the Secretary determines, in his sole discretion, that the payment of such penalty would be excessive relative to the failure involved.
The person failing to meet the requirements of section 9704 shall be liable for the penalty imposed by subsection (a).
For purposes of this title, the penalty imposed by this section shall be treated in the same manner as the tax imposed by section 4980B.