(1) The Attorney General shall investigate suspected criminal violations of this chapter and shall commence and try all prosecutions under this chapter. Prosecutions under this chapter may be commenced by complaint, or information. With respect to the commencement and trial of such prosecutions, the Attorney General shall have all of the powers and duties vested by law in him with respect to criminal prosecutions generally.
(2) A prosecution for any offense in violation of this section must be commenced within four years after the commission thereof.
(3) The Attorney General shall not commence prosecutions under this chapter against any defendant who, at the time, is a defendant with regard to any current pending complaint, information or indictment filed by the United States for violation, or alleged violation, of the Federal Anti-Trust Statutes (including but not being limited to, Act of July 2, 1980, ch. 647, 26 U.S. Stat. 209, 15 U.S.C.A., secs. 1–7; Act of Oct. 15, 1914, ch. 323, 38 U.S. Stat. 730, 15 U.S.C.A., secs. 12–27, 44; Act of August 17, 1937, ch. 690, Title VIII, 50 U.S. Stat. 693, 15 U.S.C.A., sec. 1; Act of July 7, 1955, ch. 281, 69 U.S. Stat. 282, 15 U.S.C.A., secs. 1–3; Act of May 26, 1938, ch. 283, 52 U.S. Stat. 446, 15 U.S.C.A. sec. 13-C; and any similar Acts passed in the future) involving substantially the same subject matter.