50 U.S.C. § 403-5a : US Code - Section 403-5A: Assistance to United States law enforcement agencies

Search 50 U.S.C. § 403-5a : US Code - Section 403-5A: Assistance to United States law enforcement agencies

(a) Authority to provide assistance
Subject to subsection (b) of this section, elements of the
intelligence community may, upon the request of a United States law
enforcement agency, collect information outside the United States
about individuals who are not United States persons. Such elements
may collect such information notwithstanding that the law
enforcement agency intends to use the information collected for
purposes of a law enforcement investigation or counterintelligence
investigation.
(b) Limitation on assistance by elements of Department of Defense
(1) With respect to elements within the Department of Defense,
the authority in subsection (a) of this section applies only to the
following:
(A) The National Security Agency.
(B) The National Reconnaissance Office.
(C) The National Geospatial-Intelligence Agency.
(D) The Defense Intelligence Agency.
(2) Assistance provided under this section by elements of the
Department of Defense may not include the direct participation of a
member of the Army, Navy, Air Force, or Marine Corps in an arrest
or similar activity.
(3) Assistance may not be provided under this section by an
element of the Department of Defense if the provision of such
assistance will adversely affect the military preparedness of the
United States.
(4) The Secretary of Defense shall prescribe regulations
governing the exercise of authority under this section by elements
of the Department of Defense, including regulations relating to the
protection of sources and methods in the exercise of such
authority.
(c) Definitions
For purposes of subsection (a) of this section:
(1) The term "United States law enforcement agency" means any
department or agency of the Federal Government that the Attorney
General designates as law enforcement agency for purposes of this
section.
(2) The term "United States person" means the following:
(A) A United States citizen.
(B) An alien known by the intelligence agency concerned to be
a permanent resident alien.
(C) An unincorporated association substantially composed of
United States citizens or permanent resident aliens.
(D) A corporation incorporated in the United States, except
for a corporation directed and controlled by a foreign
government or governments.