(c) Civil Penalties and Private Cause of Action.—Any person who knowingly authorizes, consents to, or permits directly or indirectly, either alone or in conjunction with any other person, a violation of subsection (a) is liable—
(1) To the United States Government for a civil penalty in an amount not to exceed $10,000 for each violation; and
(2) To the injured party for all valid claims incurred without regard to amount.
(d) Liable parties—The liability for civil penalties and for claims under this section for unauthorized brokering shall apply, jointly and severally—
(1) To any corporate entity or partnership involved; and
(2) To the individual officers, directors, and principals of such entities.