42 U.S.C. § 2201a : US Code - Section 2201A: Use of firearms by security personnel

Search 42 U.S.C. § 2201a : US Code - Section 2201A: Use of firearms by security personnel

(a) Definitions
In this section, the terms "handgun", "rifle", "shotgun",
"firearm", "ammunition", "machinegun", "short-barreled shotgun",
and "short-barreled rifle" have the meanings given the terms in
section 921(a) of title 18.
(b) Authorization
Notwithstanding subsections (a)(4), (a)(5), (b)(2), (b)(4), and
(o) of section 922 of title 18, section 925(d)(3) of title 18,
section 5844 of title 26, and any law (including regulations) of a
State or a political subdivision of a State that prohibits the
transfer, receipt, possession, transportation, importation, or use
of a handgun, a rifle, a shotgun, a short-barreled shotgun, a short-
barreled rifle, a machinegun, a semiautomatic assault weapon,
ammunition for any such gun or weapon, or a large capacity
ammunition feeding device, in carrying out the duties of the
Commission, the Commission may authorize the security personnel of
any licensee or certificate holder of the Commission (including an
employee of a contractor of such a licensee or certificate holder)
to transfer, receive, possess, transport, import, and use 1 or more
such guns, weapons, ammunition, or devices, if the Commission
determines that - 
(1) the authorization is necessary to the discharge of the
official duties of the security personnel; and
(2) the security personnel - 
(A) are not otherwise prohibited from possessing or receiving
a firearm under Federal or State laws relating to possession of
firearms by a certain category of persons;
(B) have successfully completed any requirement under this
section for training in the use of firearms and tactical
maneuvers;
(C) are engaged in the protection of - 
(i) a facility owned or operated by a licensee or
certificate holder of the Commission that is designated by
the Commission; or
(ii) radioactive material or other property owned or
possessed by a licensee or certificate holder of the
Commission, or that is being transported to or from a
facility owned or operated by such a licensee or certificate
holder, and that has been determined by the Commission to be
of significance to the common defense and security or public
health and safety; and
(D) are discharging the official duties of the security
personnel in transferring, receiving, possessing, transporting,
or importing the weapons, ammunition, or devices.
(c) Background checks
A person that receives, possesses, transports, imports, or uses a
weapon, ammunition, or a device under subsection (b) of this
section shall be subject to a background check by the Attorney
General, based on fingerprints and including a background check
under section 103(b) of the Brady Handgun Violence Prevention Act
(Public Law 103-159; 18 U.S.C. 922 note) to determine whether the
person is prohibited from possessing or receiving a firearm under
Federal or State law.
(d) Effective date
This section takes effect on the date on which guidelines are
issued by the Commission, with the approval of the Attorney
General, to carry out this section.