Pub. L. 100-4, tit. V, sec. 504
PROTECTION OF INTERESTS OF UNITED STATES IN CITIZEN SUITS.
SEC. 504. PROTECTION OF INTERESTS OF UNITED STATES IN CITIZEN SUITS. Section 505(c) is amended by adding at the end thereof the following new paragraph: “(3) Protection of interests of united states.—Whenever any action is brought under this section in a court of the United States, the plaintiff shall serve a copy of the complaint on the Attorney General and the Administrator. No consent judgment shall be entered in an action in which the United States is not a party prior to 45 days following the receipt of a copy of the proposed consent judgment by the Attorney General and the Administrator.”.