Public Law 119-83 (04/13/2026)

10 U.S.C. § 3131

Availability of appropriations

(a)
Funds appropriated to the Department of Defense for research and development remain available for obligation for a period of two consecutive years.
(b)
Funds appropriated to the Department of Defense for research and development may be used—
(1)
section 4141 of this title for the purposes of ; and
(2)
for purposes related to research and development for which expenditures are specifically authorized in other appropriations of the Department of Defense.

Pub. L. 97–258, § 2(b)(3)(B)96 Stat. 1052 Pub. L. 100–370, § 1(g)(1)102 Stat. 846 Pub. L. 116–283, div. A, title XVIII134 Stat. 4161 Pub. L. 117–81, div. A, title XVII, § 1701(d)(1)135 Stat. 2136 (Added , , , § 2361; renumbered § 2351 and amended , , ; renumbered § 3131 and amended , §§ 1809(b), 1883(b)(2), , , 4294; , , .)

Historical and Revision Notes

1982 Act

Revised section

Source (U.S. Code)

Source (Statutes at Large)

2361

31:649c(2).

Aug. 10, 1956, ch. 1041, § 40(2), 70A Stat. 636; Nov. 17, 1971, Pub. L. 92–156, § 201(b), 85 Stat. 424.

The words “Unless otherwise provided in the appropriation Act concerned” are omitted as unnecessary and for consistency. The word “Funds” is substituted for “moneys” for consistency in title 10.

Act1988

section 2361 of this titleSubsection (a) is based on .

Pub. L. 99–190, § 101(b) [title VIII, § 8015]99 Stat. 1185 Subsection (b) is based on , , , 1205.

Editorial Notes

Amendments

Pub. L. 116–283, § 1809(b)section 2351 of this title2021—, renumbered as this section.

Pub. L. 117–81Pub. L. 116–283, § 1883(b)(2)Subsec. (b)(1). , which directed the substitution of “section 4141” for “section 2353”, could not be executed because of the intervening amendment by . See note below.

Pub. L. 116–283, § 1883(b)(2), substituted “section 4141” for “section 2353”.

Pub. L. 100–370section 2361 of this title1988— renumbered as section 2351, designated such provisions as subsec. (a), and added subsec. (b).

Statutory Notes and Related Subsidiaries

Effective Date of 2021 Amendment

Pub. L. 117–81Pub. L. 116–283section 1701(a)(3) of Pub. L. 117–81section 3001 of this titleAmendment by to take effect immediately after the amendments made by title XVIII of have taken effect, see , set out in a note preceding and note below.

Pub. L. 116–283section 1801(d) of Pub. L. 116–283section 3001 of this titleAmendment by effective , with additional provisions for delayed implementation and applicability of existing law, see , set out as a note preceding .