33 U.S. Code § 1366. Appearance

The Administrator shall request the Attorney General to appear and represent the United States in any civil or criminal action instituted under this chapter to which the Administrator is a party. Unless the Attorney General notifies the Administrator within a reasonable time, that he will appear in a civil action, attorneys who are officers or employees of the Environmental Protection Agency shall appear and represent the United States in such action.

(June 30, 1948, ch. 758, title V, § 506, as added Pub. L. 92–500, § 2, Oct. 18, 1972, 86 Stat. 889.)