12 U.S.C. § 1978

Nothing contained in this chapter shall be construed as affecting in any manner the right of the United States or any other party to bring an action under any other law of the United States or of any State, including any right which may exist in addition to specific statutory authority, challenging the legality of any act or practice which may be proscribed by this chapter. No regulation or order issued by the Board under this chapter shall in any manner constitute a defense to such action.