28 USC 534 - Acquisition, preservation, and exchange of identification records and information; appointment of officials

(a) The Attorney General shall
(1) acquire, collect, classify, and preserve identification, criminal identification, crime, and other records;
(2) acquire, collect, classify, and preserve any information which would assist in the identification of any deceased individual who has not been identified after the discovery of such deceased individual;
(3) acquire, collect, classify, and preserve any information which would assist in the location of any missing person (including an unemancipated person as defined by the laws of the place of residence of such person) and provide confirmation as to any entry for such a person to the parent, legal guardian, or next of kin of that person (and the Attorney General may acquire, collect, classify, and preserve such information from such parent, guardian, or next of kin); and
(4) exchange such records and information with, and for the official use of, authorized officials of the Federal Government, including the United States Sentencing Commission, the States, cities, and penal and other institutions.
(b) The exchange of records and information authorized by subsection (a)(4) of this section is subject to cancellation if dissemination is made outside the receiving departments or related agencies.
(c) The Attorney General may appoint officials to perform the functions authorized by this section.
(d) Indian Law Enforcement Agencies.— 
The Attorney General shall permit Indian law enforcement agencies, in cases of domestic violence, dating violence, sexual assault, and stalking, to enter information into Federal criminal information databases and to obtain information from the databases.
(e) For purposes of this section, the term other institutions includes
(1) railroad police departments which perform the administration of criminal justice and have arrest powers pursuant to a State statute, which allocate a substantial part of their annual budget to the administration of criminal justice, and which meet training requirements established by law or ordinance for law enforcement officers; and
(2) police departments of private colleges or universities which perform the administration of criminal justice and have arrest powers pursuant to a State statute, which allocate a substantial part of their annual budget to the administration of criminal justice, and which meet training requirements established by law or ordinance for law enforcement officers.
(f) 
(1) Information from national crime information databases consisting of identification records, criminal history records, protection orders, and wanted person records may be disseminated to civil or criminal courts for use in domestic violence or stalking cases. Nothing in this subsection shall be construed to permit access to such records for any other purpose.
(2) Federal and State criminal justice agencies authorized to enter information into criminal information databases may include
(A) arrests, convictions, and arrest warrants for stalking or domestic violence or for violations of protection orders for the protection of parties from stalking or domestic violence; and
(B) protection orders for the protection of persons from stalking or domestic violence, provided such orders are subject to periodic verification.
(3) As used in this subsection
(A) the term national crime information databases means the National Crime Information Center and its incorporated criminal history databases, including the Interstate Identification Index; and
(B) the term protection order includes
(i) any injunction, restraining order, or any other order issued by a civil or criminal court for the purpose of preventing violent or threatening acts or harassment against, sexual violence or contact or communication with or physical proximity to, another person, including any temporary or final orders issued by civil or criminal courts whether obtained by filing an independent action or as a pendente lite order in another proceeding so long as any civil order was issued in response to a complaint, petition, or motion filed by or on behalf of a person seeking protection; and
(ii) any support, child custody or visitation provisions, orders, remedies, or relief issued as part of a protection order, restraining order, or stay away injunction pursuant to State, tribal, territorial, or local law authorizing the issuance of protection orders, restraining orders, or injunctions for the protection of victims of domestic violence, dating violence, sexual assault, or stalking.