; and (ii) modification of such plan may be made in accordance with the provisions of law applicable before the date of the enactment of this Act if such modifications are considered minor by the Secretary concerned; and (B) the operator shall bring such mineral activities into compliance with this Act by the end of such 10-year period. (2) Activities pending decision on modification to plan of operations If an application for modification of a plan of operations referred to in paragraph (1)(A)(ii) has been timely submitted and an approved plan expires before Secretarial action on the application, mineral activities and reclamation may continue in accordance with the terms of the expired plan until the Secretary makes an administrative decision on the application. (3) Conversion requirement Any claims referred to in paragraph (1) may remain in effect for a period of up to 10 years. Any claim not converted to a lease under subsection (d) before the end of that period shall be subject to a fee of $100 per acre per day until the claim is converted to a lease. (d) Conversion regulations (1) In general The Secretary shall issue regulations no later than one year after the date of the enactment of this Act to provide for the conversion of mining claims to noncompetitive mining leases. (2) Content The regulations issued under paragraph (1) shall— (A) prohibit the conversion of a mining claim to a mining lease by a claimholder who is in violation of this Act or other State or Federal environmental, health, or worker safety law; (B) allow the Secretary to exercise discretion to include nonmineral lands within the boundaries of any mill site associated with the mining claim to be converted to a noncompetitive lease; (C) prohibit the area in any noncompetitive mining lease issued under this subsection to exceed the maximum area authorized by this Act to be leased to any person; (D) require the consent of the surface managing agency for conversion to a noncompetitive mining lease