; and (B) if such approved plans comply with this Act and any construction on such dwelling violates this Act, the person or entity responsible for the construction shall be liable for such construction in violation. (d) Enforcement by Attorney General Whenever the Attorney General has reasonable cause to believe that any person or group of persons has violated this Act, the Attorney General may commence a civil action in any appropriate United States district court. The Attorney General may also, upon timely application, intervene in any civil action brought under subsection (c) by a private person if the Attorney General certifies that the case is of general public importance. (e) Relief In any civil action brought under this section, if the court finds that a violation of this title has occurred or is about to occur, it may award to the plaintiff actual and punitive damages, and subject to subsection (g), may grant as relief, as the court finds appropriate, any permanent or temporary injunction, temporary restraining order, or other order (including an order enjoining the defendant from violating the Act or ordering such affirmative action as may be appropriate). (f) Violations For purposes of this section, a violation involving a covered dwelling unit that is not designed or constructed in conformity with the requirements of this Act shall not be considered to terminate until the violation is corrected. (g) Attorney’s fees In any civil action brought under this section, the court, in its discretion, may allow the prevailing party, other than the United States, a reasonable attorney’s fee and costs. (h) Effect on certain sales, encumbrances, and rentals Relief granted under this section shall not affect any contract, sale, encumbrance, or lease consummated before the granting of such relief and involving a bona fide purchaser, encumbrancer, or tenant, without actual notice of a civil action under this title. 5. Effect on State laws Nothing in this Act shall be constructed to invalidate or limit any law of a