The operator of a vessel in waterborne foreign commerce of the United States shall file at such times and in such manner as the Secretary of Transportation may prescribe by regulations, such report, account, record, or memorandum relating to the utilization and performance of such vessel in commerce of the United States, as the Secretary may determine to be necessary or desirable in order to carry out the purposes and provisions of this chapter. Such report, account, record, or memorandum shall be signed and verified in accordance with regulations prescribed by the Secretary. An operator who does not file the report, account, record, or memorandum as required by this section and the regulations issued hereunder, shall be liable to the United States in a penalty of $50 for each day of such violation. The amount of any penalty imposed for any violation of this section upon the operator of any vessel shall constitute a lien upon the vessel involved in the violation, and such vessel may be libeled therefor in the district court of the United States for the district in which it may be found. The Secretary of Transportation may, in his discretion, remit or mitigate any penalty imposed under this section on such terms as he may deem proper.