Us Code § 3131 - Availability of appropriations
Full text of Us Code United States Code § 3131 — Availability of appropriations, with citation guidance and answers to common questions.
§ 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) for the purposes of section 4141 of this title; and
(2) for purposes related to research and development for which expenditures are specifically authorized in other appropriations of the Department of Defense.
(Added Pub. L. 97–258, §2(b)(3)(B), Sept. 13, 1982, 96 Stat. 1052, §2361; renumbered §2351 and amended Pub. L. 100–370, §1(g)(1), July 19, 1988, 102 Stat. 846; renumbered §3131 and amended Pub. L. 116–283, div. A, title XVIII, §§1809(b), 1883(b)(2), Jan. 1, 2021, 134 Stat. 4161, 4294; Pub. L. 117–81, div. A, title XVII, §1701(d)(1), Dec. 27, 2021, 135 Stat. 2136.)
| 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.
1988 Act
Subsection (a) is based on section 2361 of this title.
Subsection (b) is based on Pub. L. 99–190, §101(b) [title VIII, §8015], Dec. 19, 1985, 99 Stat. 1185, 1205.
Editorial Notes
Amendments
2021—Pub. L. 116–283, §1809(b), renumbered section 2351 of this title as this section.
Subsec. (b)(1). Pub. L. 117–81, which directed the substitution of "section 4141" for "section 2353", could not be executed because of the intervening amendment by Pub. L. 116–283, §1883(b)(2). See note below.
Pub. L. 116–283, §1883(b)(2), substituted "section 4141" for "section 2353".
1988—Pub. L. 100–370 renumbered section 2361 of this title as section 2351, designated such provisions as subsec. (a), and added subsec. (b).
Statutory Notes and Related Subsidiaries
Effective Date of 2021 Amendment
Amendment by Pub. L. 117–81 to take effect immediately after the amendments made by title XVIII of Pub. L. 116–283 have taken effect, see section 1701(a)(3) of Pub. L. 117–81, set out in a note preceding section 3001 of this title and note below.
Amendment by Pub. L. 116–283 effective Jan. 1, 2022, with additional provisions for delayed implementation and applicability of existing law, see section 1801(d) of Pub. L. 116–283, set out as a note preceding section 3001 of this title.
About This Section
10 U.S.C. § 3131 is part of Title 10 of the United States Code. The United States Code is the official codification of federal statutes maintained by the Office of the Law Revision Counsel of the U.S. House of Representatives. Congress amends the Code through new public laws, which are eventually incorporated into the relevant title.
This section may be cited in legal writing as 10 U.S.C. § 3131. For the most current official text, including any recent amendments, use the official source links below. Do not rely on this page as the sole authority for legal citation or litigation.
How to Read This Statute
Statutes are organized by title, chapter, section, and subsection. Pay attention to words like "shall," "may," "and," and "or," because they determine whether a requirement is mandatory or permissive and whether multiple conditions must all be met. Historical notes and amendments often appear at the end of a section.
Using This Page
This page is intended for research and educational use. Lawyers, students, journalists, and compliance professionals can use it as a starting point, but should always verify the current text through an official government source before relying on it for legal advice, filings, or compliance decisions.