Whenever, on the basis of any information available, the Secretary finds that any person is in violation of any provision of this chapter, or any rule or order thereunder, the Secretary shall issue notice of such violation. Any notice issued under this subsection shall be in writing and shall state with reasonable specificity the nature of the violation.

Paragraph (1) shall not be construed to relieve any person of liability under the other provisions of this chapter for any act or omission occurring before the issuance of notice.