[Code of Federal Regulations] [Title 28, Volume 1] [Revised as of July 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 28CFR25.4] [Page 444] TITLE 28--JUDICIAL ADMINISTRATION CHAPTER I--DEPARTMENT OF JUSTICE PART 25_DEPARTMENT OF JUSTICE INFORMATION SYSTEMS--Table of Contents Subpart A_The National Instant Criminal Background Check System Sec. 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.