Where the assessment is directed in a final order by the Secretary or in a final judgment issued by a United States District Court, the amount of the penalty is immediately due and payable to the United States Department of Labor. The person assessed such penalty shall remit promptly the amount thereof, as finally determined, to the Secretary by certified check or by money order, made payable to the order of ``Wage and Hour Division, Labor.'' The remittance shall be delivered or mailed either to the Administrator, in Washington, DC, or to the Wage and Hour Division Regional Office for the area in which the violations occurred.