28 CFR § 20.3(l) [28 CFR PART 20—CRIMINAL JUSTICE INFORMATION SYSTEMS]
As used in these regulations:
(l) Fingerprint Identification Records System
or “FIRS” means the following FBI records: Criminal fingerprints and/or related criminal justice information submitted by authorized agencies having criminal justice responsibilities; civil fingerprints submitted by federal agencies and civil fingerprints submitted by persons desiring to have their fingerprints placed on record for personal identification purposes; identification records, sometimes referred to as “rap sheets,” which are compilations of criminal history record information pertaining to individuals who have criminal fingerprints maintained in the FIRS; and a name index pertaining to all individuals whose fingerprints are maintained in the FIRS. See the FIRS Privacy Act System Notice periodically published in the Federal Register for further details.