**(a) Determination of materials; quantities** Subject to subsection (c), the President shall determine from time to time (1) which materials are strategic and critical materials for the purposes of this subchapter, and (2) the quality and quantity of each such material to be acquired for the purposes of this subchapter and the form in which each such material shall be acquired and stored. Such materials when acquired, together with the other materials described in [section 98c of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title50-section98c&num=0&edition=prelim), shall constitute and be collectively known as the National Defense Stockpile (hereinafter in this subchapter referred to as the “stockpile”).
**(b) Guidelines for exercise of Presidential authority** The President shall make the determinations required to be made under subsection (a) on the basis of the principles stated in [section 98a(c) of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title50-section98a/c&num=0&edition=prelim).
**(c) Quantity change; notification to Congress**
(1) The quantity of any material to be stockpiled under this subchapter, as in effect on September 30, 1987, may be changed only as provided in this subsection or as otherwise provided by law enacted after December 4, 1987.
(2) The President shall notify Congress in writing of any increase proposed to be made in the quantity of any material to be stockpiled that involves the acquisition of additional materials for the stockpile. The President may make the increase after the end of the 30-day period beginning on the date of the notification. The President shall include a full explanation and justification for the proposed increase with the notification.
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Source location: Title 50, Chapter 5, § 98b; chapter-005-arsenals-armories-arms-and-war-material-generally.md
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**(a) Determination of materials; quantities** Subject to subsection (c), the President shall determine from time to time (1) which materials are strategic and critical materials for the purposes of this subchapter, and (2) the quality and quantity of each such material to be acquired for the purposes of this subchapter and the form in which each such material shall be acquired and stored. Such materials when acquired, together with the other materials described in [section 98c of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title50-section98c&num=0&edition=prelim), shall constitute and be collectively known as the National Defense Stockpile (hereinafter in this subchapter referred to as the “stockpile”).
**(b) Guidelines for exercise of Presidential authority** The President shall make the determinations required to be made under subsection (a) on the basis of the principles stated in [section 98a(c) of this title](https://uscode.house.gov/view.xhtml?req=granuleid:USC-prelim-title50-section98a/c&num=0&edition=prelim).
**(c) Quantity change; notification to Congress**
(1) The quantity of any material to be stockpiled under this subchapter, as in effect on September 30, 1987, may be changed only as provided in this subsection or as otherwise provided by law enacted after December 4, 1987.
(2) The President shall notify Congress in writing of any increase proposed to be made in the quantity of any material to be stockpiled that involves the acquisition of additional materials for the stockpile. The President may make the increase after the end of the 30-day period beginning on the date of the notification. The President shall include a full explanation and justification for the proposed increase with the notification.
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Federal law — U.S. Code and appendices · legal_authorities
§ 98b. National Defense Stockpile
(a) Determination of materials; quantities
Subject to subsection (c), the President shall
determine from time to time (1) which materials
Page 30
TITLE 50—WAR AND NATIONAL DEFENSE
§ 98b
are strategic and critical materials for the pur-
poses of this subchapter, and (2) the quality and
quantity of each such material to be acquired
for the purposes of this subchapter and the form
in which each such material shall be acquired
and stored. Such materials when acquired, to-
gether with the other materials described in sec-
tion 98c of this title, shall constitute and be col-
lectively known as the National Defense Stock-
pile (hereinafter in this subchapter referred to
as the ‘‘stockpile’’).
(b) Guidelines for exercise of Presidential au-
thority
The President shall make the determinations
required to be made under subsection (a) on the
basis of the principles stated in section 98a(c) of
this title.
(c) Quantity change; notification to Congress
(1) The quantity of any material to be stock-
piled under this subchapter, as in effect on Sep-
tember 30, 1987, may be changed only as provided
in this subsection or as otherwise provided by
law enacted after December 4, 1987.
(2) The President shall notify Congress in
writing of any increase proposed to be made in
the quantity of any material to be stockpiled
that involves the acquisition of additional mate-
rials for the stockpile. The President may make
the increase after the end of the 30-day period
beginning on the date of the notification. The
President shall include a full explanation and
justification for the proposed increase with the
notification.
(June 7, 1939, ch. 190, § 3, as added Pub. L. 96–41,
§ 2(a), July 30, 1979, 93 Stat. 319; amended Pub. L.
100–180