A civil action to enjoin a violation of section 3702 may be commenced in an appropriate district court of the United States by the Attorney General of the United States , or by a professional sports organization or amateur sports organization whose competitive game is alleged to be the basis of such violation. (Added Pub. L. 102–559, § 2(a) , Oct. 28, 1992 , 106 Stat. 4228 .) Statutory Notes and Related Subsidiaries Effective Date Section effective Jan. 1, 1993 , see section 3 of Pub. L. 102–559 , set out as a note under section 3701 of this title .