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.