To make a technical amendment to the Mount Rushmore Commemorative Coin Act to conform to the intent of Congress.

Amends the Mount Rushmore Commemorative Coin Act to direct that specified surcharges shall be paid to the Mount Rushmore National Memorial Society of Black Hills to assist its efforts to improve and enlarge the Mount Rushmore National Memorial. Mandates that the remainder be returned to the Treasury for purposes of reducing the national debt.

Sets forth retroactive provisions.