; (B) the licensed dealer has contacted the national instant criminal background check system established under section 103 of the Brady Handgun Violence Prevention Act to determine whether it would be unlawful for the individual to receive a firearm; and (C) the system has notified the licensee that the information available to the system does not demonstrate that the receipt of a firearm by the individual would violate subsection (d), (g), or (n) of section 922 (as applicable) or by State, local, or Tribal law. . (b) Authority of NICS system To respond to licensed dealer request for criminal background check of employee or applicant for employment Section 103(b)(2) of the Brady Handgun Violence Prevention Act ( 34 U.S.C. 40901(b)(2) ) is amended— (1) in the heading, by striking Voluntary and inserting Compulsory ; and (2) in subparagraph (A), by striking voluntarily . (c) Authority of NICS system To search national data exchange Section 103(e)(1) of the Brady Handgun Violence Prevention Act ( 34 U.S.C. 40901(e)(1) ) is amended by adding at the end the following: (L) Search of national data exchange database The system established under this section shall include a search of the database of the National Data Exchange when conducting a background check under this section. . 22. Liability standards (a) Liability in licensing Section 923 of title 18, United States Code, is amended— (1) in subsection (d)(1)(D), by striking willfully and inserting knowingly ; and (2) in subsection (e), by striking willfully each place it appears and inserting knowingly . (b) Liability in penalties Section 924 of such title is amended— (1) in subsection (a)(1)(D), by striking willfully and inserting knowingly ; and (2) in subsection (d)(1), by striking willful and inserting knowing . 23. Civil enforcement (a) Fines for engaging in the business without a license Section 924(n), of title 18, United States Code, is amended— (1) by inserting (1) after (n)