Browse Arkansas Code titles and sections
50 U.S.C. § 1843 — Authorization during emergencies
Federal law — U.S. Code and appendices · legal_authorities
Page 274
TITLE 50—WAR AND NATIONAL DEFENSE
§ 1843
2018—Subsec. (d)(3). Pub. L. 115–118 added par. (3).
2015—Subsec. (c)(3). Pub. L. 114–23, § 201(a), added par.
(3).
Subsec. (h). Pub. L. 114–23, § 202(a), added subsec. (h).
2010—Subsec. (d)(2)(B)(ii)(II). Pub. L. 111–259 made
technical amendment to directory language of Pub. L.
108–458. See 2004 Amendment note below.
2006—Subsec. (d)(2)(A). Pub. L. 109–177, § 128(a)(1), in-
serted ‘‘and’’ at end of cl. (ii) and substituted semicolon
for period at end of cl. (iii).
Subsec. (d)(2)(C). Pub. L. 109–177, § 128(a)(2), (3), added
subpar. (C).
Subsec. (e). Pub. L. 109–177, § 105(c), designated exist-
ing provisions as par. (1), substituted ‘‘Except as pro-
vided in paragraph (2), an order issued’’ for ‘‘An order
issued’’, and added par. (2).
2004—Subsec. (d)(2)(B)(ii)(II). Pub. L. 108–458, as
amended by Pub. L. 111–259, substituted ‘‘Director of
National Intelligence’’ for ‘‘Director of Central Intel-
ligence’’.
2001—Subsec. (a)(1). Pub. L. 107–56, § 214(a)(1), sub-
stituted ‘‘for any investigation to obtain foreign intel-
ligence information not concerning a United States
person or to protect against international terrorism or
clandestine intelligence activities, provided that such
investigation of a United States person is not con-
ducted solely upon the basis of activities protected by
the first amendment to the Constitution’’ for ‘‘for any
investigation to gather foreign intelligence informa-
tion or information concerning international ter-
rorism’’.
Subsec. (c)(1). Pub. L. 107–108, § 314(a)(5)(A), inserted
‘‘and’’ after semicolon at end.
Subsec. (c)(2). Pub. L. 107–56, § 214(a)(2), amended par.
(2) generally. Prior to amendment, par. (2) read as fol-
lows: ‘‘a certification by the applicant that t
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Page 274
TITLE 50—WAR AND NATIONAL DEFENSE
§ 1843
2018—Subsec. (d)(3). Pub. L. 115–118 added par. (3).
2015—Subsec. (c)(3). Pub. L. 114–23, § 201(a), added par.
(3).
Subsec. (h). Pub. L. 114–23, § 202(a), added subsec. (h).
2010—Subsec. (d)(2)(B)(ii)(II). Pub. L. 111–259 made
technical amendment to directory language of Pub. L.
108–458. See 2004 Amendment note below.
2006—Subsec. (d)(2)(A). Pub. L. 109–177, § 128(a)(1), in-
serted ‘‘and’’ at end of cl. (ii) and substituted semicolon
for period at end of cl. (iii).
Subsec. (d)(2)(C). Pub. L. 109–177, § 128(a)(2), (3), added
subpar. (C).
Subsec. (e). Pub. L. 109–177, § 105(c), designated exist-
ing provisions as par. (1), substituted ‘‘Except as pro-
vided in paragraph (2), an order issued’’ for ‘‘An order
issued’’, and added par. (2).
2004—Subsec. (d)(2)(B)(ii)(II). Pub. L. 108–458, as
amended by Pub. L. 111–259, substituted ‘‘Director of
National Intelligence’’ for ‘‘Director of Central Intel-
ligence’’.
2001—Subsec. (a)(1). Pub. L. 107–56, § 214(a)(1), sub-
stituted ‘‘for any investigation to obtain foreign intel-
ligence information not concerning a United States
person or to protect against international terrorism or
clandestine intelligence activities, provided that such
investigation of a United States person is not con-
ducted solely upon the basis of activities protected by
the first amendment to the Constitution’’ for ‘‘for any
investigation to gather foreign intelligence informa-
tion or information concerning international ter-
rorism’’.
Subsec. (c)(1). Pub. L. 107–108, § 314(a)(5)(A), inserted
‘‘and’’ after semicolon at end.
Subsec. (c)(2). Pub. L. 107–56, § 214(a)(2), amended par.
(2) generally. Prior to amendment, par. (2) read as fol-
lows: ‘‘a certification by the applicant that the infor-
mation likely to be obtained is relevant to an ongoing
foreign intelligence or international terrorism inves-
tigation being conducted by the Federal Bureau of In-
vestigation under guidelines approved by the Attorney
General; and’’.
Subsec. (c)(3). Pub. L. 107–56, § 214(a)(3), struck out
par. (3) which read as follows: ‘‘information which dem-
onstrates that there is reason to believe that the tele-
phone line to which the pen register or trap and trace
device is to be attached, or the communication instru-
ment or device to be covered by the pen register or trap
and trace device, has been or is about to be used in
communication with—
‘‘(A) an individual who is engaging or has engaged
in international terrorism or clandestine intelligence
activities that involve or may involve a violation of
the criminal laws of the United States; or
‘‘(B) a foreign power or agent of a foreign power
under circumstances giving reason to believe that the
communication concerns or concerned international
terrorism or clandestine intelligence activities that
involve or may involve a violation of the criminal
laws of the United States.’’
Subsec. (d)(2)(A). Pub. L. 107–56, § 214(a)(4), amended
subpar. (A) generally. Prior to amendment, subpar. (A)
read as follows: ‘‘shall specify—
‘‘(i) the identity, if known, of the person who is the
subject of the foreign intelligence or international
terrorism investigation;
‘‘(ii) in the case of an application for the installa-
tion and use of a pen register or trap and trace device
with respect to a telephone line—
‘‘(I) the identity, if known, of the person to whom
is leased or in whose name the telephone line is
listed; and
‘‘(II) the number and, if known, physical location
of the telephone line; and
‘‘(iii) in the case of an application for the use of a
pen register or trap and trace device with respect to
a communication instrument or device not covered
by clause (ii)—
‘‘(I) the identity, if known, of the person who
owns or leases the instrument or device or in whose
name the instrument or device is listed; and
‘‘(II) the number of the instrument or device;
and’’.
Subsec. (f). Pub. L. 107–108, § 314(a)(5)(B), substituted
‘‘terms of an order issued’’ for ‘‘terms of a court’’.
Statutory Notes and Related Subsidiaries
EFFECTIVE DATE OF 2024 AMENDMENT
Amendment by section 10(a)(3) of Pub. L. 118–49 appli-
cable with respect to applications made on or after the
date that is 120 days after Apr. 20, 2024, see section
10(a)(6) of Pub. L. 118–49, set out as a note under section
1804 of this title.
Amendment by section 10(b)(3) of Pub. L. 118–49 appli-
cable with respect to applications made on or after the
date that is 120 days after Apr. 20, 2024, see section
10(b)(6) of Pub. L. 118–49, set out as a note under section
1804 of this title.
EFFECTIVE DATE OF 2004 AMENDMENT
For Determination by President that amendment by
Pub. L. 108–458 take effect on Apr. 21, 2005, see Memo-
randum of President of the United States, Apr. 21, 2005,
70 F.R. 23925, set out as a note under section 3001 of this
title.
Amendment by Pub. L. 108–458 effective not later
than six months after Dec. 17, 2004, except as otherwise
expressly provided, see section 1097(a) of Pub. L.
108–458, set out in an Effective Date of 2004 Amendment;
Transition Provisions note under section 3001 of this
title.
§ 1843. Authorization during emergencies
(a) Requirements for authorization
Notwithstanding any other provision of this
subchapter, when the Attorney General makes a
determination described in subsection (b), the
Attorney General may authorize the installa-
tion and use of a pen register or trap and trace
device on an emergency basis to gather foreign
intelligence
information
not
concerning
a
United States person or information to protect
against international terrorism or clandestine
intelligence activities, provided that such inves-
tigation of a United States person is not con-
ducted solely upon the basis of activities pro-
tected by the first amendment to the Constitu-
tion if—
(1) a judge referred to in section 1842(b) of
this title is informed by the Attorney General
or his designee at the time of such authoriza-
tion that the decision has been made to install
and use the pen register or trap and trace de-
vice, as the case may be, on an emergency
basis; and
(2) an application in accordance with section
1842 of this title is made to such judge as soon
as practicable, but not more than 7 days, after
the Attorney General authorizes the installa-
tion and use of the pen register or trap and
trace device, as the case may be, under this
section.
(b) Determination of emergency and factual
basis
A determination under this subsection is a
reasonable determination by the Attorney Gen-
eral that—
(1) an emergency requires the installation
and use of a pen register or trap and trace de-
vice to obtain foreign intelligence information
not concerning a United States person or in-
formation to protect against international
Page 275
TITLE 50—WAR AND NATIONAL DEFENSE
§ 1845
terrorism or clandestine intelligence activi-
ties, provided that such investigation of a
United States person is not conducted solely
upon the basis of activities protected by the
first amendment to the Constitution before an
order authorizing the installation and use of
the pen register or trap and trace device, as
the case may be, can with due diligence be ob-
tained under section 1842 of this title; and
(2) the factual basis for issuance of an order
under such section 1842 of this title to approve
the installation and use of the pen register or
trap and trace device, as the case may be, ex-
ists.
(c) Effect of absence of order
(1) In the absence of an order applied for under
subsection (a)(2) approving the installation and
use of a pen register or trap and trace device au-
thorized under this section, the installation and
use of the pen register or trap and trace device,
as the case may be, shall terminate at the ear-
lier of—
(A) when the information sought is obtained;
(B) when the application for the order is de-
nied under section 1842 of this title; or
(C) 7 days after the time of the authorization
by the Attorney General.
(2) In the event that an application for an
order applied for under subsection (a)(2) is de-
nied, or in any other case where the installation
and use of a pen register or trap and trace device
under this section is terminated and no order
under section 1842 of this title is issued approv-
ing the installation and use of the pen register
or trap and trace device, as the case may be, no
information obtained or evidence derived from
the use of the pen register or trap and trace de-
vice, as the case may be, shall be received in evi-
dence or otherwise disclosed in any trial, hear-
ing, or other proceeding in or before any court,
grand jury, department, office, agency, regu-
latory body, legislative committee, or other au-
thority of the United States, a State, or polit-
ical subdivision thereof, and no information con-
cerning any United States person acquired from
the use of the pen register or trap and trace de-
vice, as the case may be, shall subsequently be
used or disclosed in any other manner by Fed-
eral officers or employees without the consent
of such person, except with the approval of the
Attorney General if the information indicates a
threat of death or serious bodily harm to any
person.
(3) A denial of the application made under sub-
section (a)(2) may be reviewed as provided in
section 1803 of this title.
(d) Privacy procedures
Information collected through the use of a pen
register or trap and trace device installed under
this section shall be subject to the policies and
procedures required under section 1842(h) of this
title.
(Pub. L. 95–511, title IV, § 403, as added Pub. L.
105–272, title VI, § 601(2), Oct. 20, 1998, 112 Stat.
2407; amended Pub. L. 107–56, title II, § 214(b),
Oct. 26, 2001, 115 Stat. 287; Pub. L. 110–261, title
I, § 108, July 10, 2008, 122 Stat. 2464; Pub. L.
114–23, title II, § 202(b), June 2, 2015, 129 Stat. 278;
Pub. L. 115–118, title II, § 205(b)(5), Jan. 19, 2018,
132 Stat. 22.)
Editorial Notes
AMENDMENTS
2018—Subsec. (c)(3). Pub. L. 115–118 added par. (3).
2015—Subsec. (d). Pub. L. 114–23 added subsec. (d).
2008—Subsecs. (a)(2), (c)(1)(C). Pub. L. 110–261 sub-
stituted ‘‘7 days’’ for ‘‘48 hours’’.
2001—Subsec. (a). Pub. L. 107–56, § 214(b)(1), sub-
stituted ‘‘foreign intelligence information not con-
cerning a United States person or information to pro-
tect against international terrorism or clandestine in-
telligence activities, provided that such investigation
of a United States person is not conducted solely upon
the basis of activities protected by the first amend-
ment to the Constitution’’ for ‘‘foreign intelligence in-
formation or information concerning international ter-
rorism’’ in introductory provisions.
Subsec. (b)(1). Pub. L. 107–56, § 214(b)(2), substituted
‘‘foreign intelligence information not concerning a
United States person or information to protect against
international terrorism or clandestine intelligence ac-
tivities, provided that such investigation of a United
States person is not conducted solely upon the basis of
activities protected by the first amendment to the Con-
stitution’’ for ‘‘foreign intelligence information or in-
formation concerning international terrorism’’.
Statutory Notes and Related Subsidiaries
EFFECTIVE DATE OF 2008 AMENDMENT
Amendment by Pub. L. 110–261 effective July 10, 2008,
except as provided in section 404 of Pub. L. 110–261, set
out as a Transition Procedures note under section 1801
of this title, see section 402 of Pub. L. 110–261, set out
as an Effective Date of 2008 Amendment note under sec-
tion 1801 of this title.
§ 1844. Authorization during time of war
Notwithstanding any other provision of law,
the President, through the Attorney General,
may authorize the use of a pen register or trap
and trace device without a court order under
this subchapter to acquire foreign intelligence
information for a period not to exceed 15 cal-
endar days following a declaration of war by
Congress.
(Pub. L. 95–511, title IV, § 404, as added Pub. L.
105–272, title VI, § 601(2), Oct. 20, 1998, 112 Stat.
2408.)
§ 1845. Use of information
(a) In general
(1) Information acquired from the use of a pen
register or trap and trace device installed pursu-
ant to this subchapter concerning any United
States person may be used and disclosed by Fed-
eral officers and employees without the consent
of the United States person only in accordance
with the provisions of this section.
(2) No information acquired from a pen reg-
ister or trap and trace device installed and used
pursuant to this subchapter may be used or dis-
closed by Federal officers or employees except
for lawful purposes.
(b) Disclosure for law enforcement purposes
No information acquired pursuant to this sub-
chapter shall be disclosed for law enforcement
purposes unless such disclosure is accompanied
by a statement that such information, or any in-
formation derived therefrom, may only be used
in a criminal proceeding with the advance au-
thorization of the Attorney General.
Cross-references
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Federal law — U.S. Code and appendices · legal_authorities
**(a) Requirements for authorization** Notwithstanding any other provision of this subchapter, when the Attorney General makes a determination described in subsection (b), the Attorney General may authorize the installation and use of a pen register or trap and trace device on an emergency basis to gather foreign intelligence information not concerning a United States person or information to protect against international terrorism or clandestine intelligence activities, provided that such investigation of a United States person is not conducted solely upon the basis of activities protected by the first amendment to the Constitution if—
(1) a judge referred to in [section 1842(b) of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title50-section1842/b&num=0&edition=prelim) is informed by the Attorney General or his designee at the time of such authorization that the decision has been made to install and use the pen register or trap and trace device, as the case may be, on an emergency basis; and
(2) an application in accordance with [section 1842 of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title50-section1842&num=0&edition=prelim) is made to such judge as soon as practicable, but not more than 7 days, after the Attorney General authorizes the installation and use of the pen register or trap and trace device, as the case may be, under this section.
**(b) Determination of emergency and factual basis** A determination under this subsection is a reasonable determination by the Attorney General that—
(1) an emergency requires the installation and use of a pen register or trap and trace device to obtain foreign intelligence information not concerning a United States person or information to protect against internati
Source: Supplied U.S. Code snapshot — release unconfirmed · 50 U.S.C. § 1843
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