; and (II) require appropriate financial assurances to ensure that the abatement obligations are met. (C) Enforcement (i) In general If the required abatement has not been completed by the date that is 30 days after the date on which an order is issued under subparagraph (A), the Secretary concerned shall bring against the person failing to complete the abatement an enforcement action that is most likely to bring about abatement in the most expeditious manner practicable, including seeking appropriate injunctive relief to bring about abatement. (ii) Effect Nothing in this subparagraph precludes the Secretary concerned from taking alternative enforcement action before the date described in clause (i). (3) Modifications The Secretary concerned may modify, vacate, or terminate any notice or order issued under paragraph (1) or (2). (4) Forfeiture (A) In general If a person fails to abate a violation or defaults on the terms of the permit, the Secretary concerned shall forfeit the financial assurance for the permit as necessary to ensure abatement and reclamation under this Act. (B) Alternatives The Secretary concerned may prescribe conditions under which a surety may perform reclamation in accordance with the approved permit and applicable law instead of forfeiture. (C) Liability In the event of forfeiture, the claim holder or operator, or a subsidiary, parent company, corporation, or partner of the claim holder, or operator shall be jointly and severally liable for any remaining reclamation obligations under this Act. (b) Civil penalties (1) In general Subject to paragraph (2), any person that violates any surface management or operation requirement under title III, any regulation promulgated to carry out such a requirement, or any permit condition required pursuant to title III may be assessed a civil penalty by the Secretary concerned. (2) Cessation order If the violation leads to the issuance of a cessation order under subsection (a)(2), the Secretary concerned shall assess the civil penalty. (3) Maximum amount