; 121 Stat. 2559) is amended by inserting after the item relating to section 107 the following: 108. Notification to law enforcement agencies of prohibited purchase or attempted purchase of a firearm. . 7. Use of Byrne grants for buy-back programs for semiautomatic assault weapons and large capacity ammunition feeding devices Section 501(a)(1) of the Omnibus Crime Control and Safe Streets Act of 1968 ( 34 U.S.C. 10152(a)(1) ) is amended by adding at the end the following: (I) Compensation for surrendered semiautomatic assault weapons and large capacity ammunition feeding devices, as those terms are defined in section 921 of title 18, United States Code, under buy-back programs for semiautomatic assault weapons and large capacity ammunition feeding devices. . 8. Gun show background check (a) Regulation of firearms transfers at gun shows (1) In general Chapter 44 of such title is amended by adding at the end the following: 932. Regulation of firearms transfers at gun shows (a) Registration of gun show operators It shall be unlawful for a person to operate a gun show, unless— (1) the person has attained 21 years of age; (2) the person (and, if the person is a corporation, partnership, or association, each individual possessing, directly or indirectly, the power to direct or cause the direction of the management and policies of the corporation, partnership, or association) is not prohibited by subsection (g) or (n) of section 922 from transporting, shipping, or receiving firearms or ammunition in interstate or foreign commerce; (3) the person has not willfully violated any provision of this chapter or regulation issued under this chapter; (4) the person has registered with the Attorney General as a gun show operator, in accordance with regulations promulgated by the Attorney General, and as part of the registration— (A) has provided the Attorney General with a photograph and the fingerprints of the person