Citation(s) from the GunPolicy.org literature library
USA. 2012 ‘Record Source Categories.’ Code of Federal Regulations, Title 28: Judicial Administration, Subpart A: The National Instant Criminal Background Check System; Title 28 (Section 25.4), p. 448. Washington, DC: Congress of the United States. 1 July
Section 25.4 Record source categories.
It is anticipated that most records in the NICS Index will be obtained from Federal agencies. It is also anticipated that a limited number of authorized state and local law enforcement agencies will voluntarily contribute records to the NICS Index. Information in the NCIC and III systems that will be searched during a background check has been or will be contributed voluntarily by Federal, state, local, and international criminal justice agencies.
[NICS = National Instant Criminal Background Check System; III = Interstate Identification Index; NCIC = National Crime Information Center]