Unless otherwise expressly provided by the Secretary, the termination of this part or of any regulation issued pursuant to this part, or the issuance of any amendment to either thereof, shall not (a) affect or waive any right, duty, obligation, or liability which shall have arisen or which may thereafter arise in connection with any provision of this part or any regulation issued under this part, or (b) release or extinguish any violation of this part or of any regulation issued under this part, or (c) affect or impair any rights or remedies of the Secretary or of any other person with respect to any such violation.