Any person who fails to obey a cease-and-desist order issued under this section after such order has become final and unappealable, or after the appropriate United States district court has entered a final judgment in favor of the Secretary, shall be subject to a civil penalty assessed by the Secretary, after opportunity for a hearing and for judicial review under the procedures specified in subsections (c) and (d), of not more than $5,000 for each offense. Each day during which such failure continues shall be considered as a separate violation of such order.