((a)) ** In general** Notwithstanding any other provision of law or of this chapter, all records obtained by the National Instant Criminal Background Check system relevant to whether an individual is prohibited from possessing a firearm because such person is an alien illegally or unlawfully in the United States shall be made available to U.S. Immigration and Customs Enforcement.

((b)) ** Regulations** The Attorney General, at his or her discretion, shall promulgate guidelines relevant to what records relevant to illegal aliens shall be provided pursuant to the provisions of this chapter.