(a) Except as provided in subsection (d), whoever knowingly possesses or causes to be present a firearm or other dangerous weapon in a Federal facility (other than a Federal court facility), or attempts to do so, shall be fined under this title or imprisoned not more than 1 year, or both.
(b) Whoever, with intent that a firearm or other dangerous weapon be used in the commission of a crime, knowingly possesses or causes to be present such firearm or dangerous weapon in a Federal facility, or attempts to do so, shall be fined under this title or imprisoned not more than 5 years, or both.
(c) A person who kills or attempts to kill any person in the course of a violation of subsection (a) or (b), or in the course of an attack on a Federal facility involving the use of a firearm or other dangerous weapon, shall be punished as provided in sections 1111, 1112, and 1113.
(d) Subsection (a) shall not apply to -
(1) the lawful performance of official duties by an officer, agent, or employee of the United States, a State, or a political subdivision thereof, who is authorized by law to engage in or supervise the prevention, detection, investigation, or prosecution of any violation of law;
(2) the possession of a firearm or other dangerous weapon by a Federal official or a member of the Armed Forces if such possession is authorized by law; or
(3) the lawful carrying of firearms or other dangerous weapons in a Federal facility incident to hunting or other lawful purposes.
(e)(1) Except as provided in paragraph (2), whoever knowingly possesses or causes to be present a firearm in a Federal court facility, or attempts to do so, shall be fined under this title, imprisoned not more than 2 years, or both.
(e)(2) Paragraph (1) shall not apply to conduct which is described in paragraph (1) or (2) of subsection (d).
(f) Nothing in this section limits the power of a court of the United States to punish for contempt or to promulgate rules or orders regulating, restricting, or prohibiting the possession of weapons within any building housing such court or any of its proceedings, or upon any grounds appurtenant to such building.
(g) As used in this section:
(1) The term ''Federal facility'' means a building or part thereof owned or leased by the Federal Government, where Federal employees are regularly present for the purpose of performing their official duties.
(2) The term ''dangerous weapon'' means a weapon, device, instrument, material, or substance, animate or inanimate, that is used for, or is readily capable of, causing death or serious bodily injury, except that such term does not include a pocket knife with a blade of less than 2 1/2 inches in length.
(3) The term ''Federal court facility'' means the courtroom, judges' chambers, witness rooms, jury deliberation rooms, attorney conference rooms, prisoner holding cells, offices of the court clerks, the United States attorney, and the United States marshal, probation and parole offices, and adjoining corridors of any court of the United States.
(h) Notice of the provisions of subsections (a) and (b) shall be posted conspicuously at each public entrance to each Federal facility, and notice of subsection (e) shall be posted conspicuously at each public entrance to each Federal court facility, and no person shall be convicted of an offense under subsection (a) or (e) with respect to a Federal facility if such notice is not so posted at such facility, unless such person had actual notice of subsection (a) or (e), as the case may be.
TITLE 39--POSTAL SERVICE
CHAPTER I--UNITED STATES POSTAL SERVICE
PART 232--CONDUCT ON POSTAL PROPERTY--Table of Contents
Sec. 232.1 Conduct on postal property.
(a) Applicability. This section applies to all real property under
the charge and control of the Postal Service, to all tenant agencies,
and to all persons entering in or on such property. This section shall
be posted and kept posted at a conspicuous place on all such property.
(l) Weapons and explosives. No person while on postal property may
carry firearms, other dangerous or deadly weapons, or explosives, either
openly or concealed, or store the same on postal property, except for
official purposes.
(p) Penalties and other law. (1) Alleged violations of these rules
and regulations are heard, and the penalties prescribed herein are
imposed, either in a Federal district court or by a Federal magistrate
in accordance with applicable court rules. Questions regarding such
rules should be directed to the regional counsel for the region
involved.
(2) Whoever shall be found guilty of violating the rules and
regulations in this section while on property under the charge and
control of the Postal Service is subject to fine of not more than $50 or
imprisonment of not more than 30 days, or both. Nothing contained in
these rules and regulations shall be construed to abrogate any other
Federal laws or regulations of any State and local laws and regulations
applicable to any area in which the property is situated.
(q) Enforcement. (1) Members of the U.S. Postal Service security
force shall exercise the powers of special policemen provided by 40
U.S.C. 318 and shall be responsible for enforcing the regulations in
this section in a manner that will protect Postal Service property.
(2) Local postmasters and installation heads may, pursuant to 40
U.S.C. 318b and with the approval of the chief postal inspector or his
designee, enter into agreements with State and local enforcement
agencies to insure that these rules and regulations are enforced in a
manner that will protect Postal Service property.
(3) Postal Inspectors, Office of Inspector General Criminal
Investigators, and other persons designated by the Chief Postal
Inspector may likewise enforce regulations in this section.