46 U.S.C. § 9308: Penalties

(a) An owner, charterer, managing operator, agent, master, or individual in charge of a vessel knowingly allowing the vessel to be operated in violation of section 9302 of this title is liable to the United States Government for a civil penalty of no more than $10,000 for each day during which the vessel is in violation. The vessel also is liable in rem for the penalty. (b) An individual who directs the navigation of a vessel in violation of section 9302 of this title is liable to the Government for a civil penalty of no more than $10,000 for each day during which the violation occurs. (c) A person violating a regulation prescribed under section 9303 of this title is liable to the Government for a civil penalty of no more than $10,000.