### §3451. Definitions

In this chapter:

(1) The terms "commercial product", "commercial service", "nondevelopmental item", "component", and "commercial component" have the meanings provided in sections 103, 103a, 110, 105, and 102, respectively, of title 41.

(2) The term "head of an agency" means the Secretary of Defense, the Secretary of Homeland Security, and the Administrator of the National Aeronautics and Space Administration.

(3) The term "agency" means the Department of Defense, the Coast Guard, and the National Aeronautics and Space Administration.

(Added Pub. L. 103–355, title VIII, §8103, Oct. 13, 1994, 108 Stat. 3390, §2376; amended Pub. L. 107–107, div. A, title X, §1048(a)(19), Dec. 28, 2001, 115 Stat. 1223; Pub. L. 107–296, title XVII, §1704(b)(1), Nov. 25, 2002, 116 Stat. 2314; Pub. L. 111–350, §5(b)(22), Jan. 4, 2011, 124 Stat. 3844; Pub. L. 115–232, div. A, title VIII, §836(d)(2), Aug. 13, 2018, 132 Stat. 1866; renumbered §3451 and amended Pub. L. 116–283, div. A, title XVIII, §1821(a)(2), (b)(1)(A), Jan. 1, 2021, 134 Stat. 4195.)

#### **Editorial Notes**

#### Prior Provisions

A prior section 3451, act Aug. 10, 1956, ch. 1041, 70A Stat. 197, provided that an officer who is promoted to a temporary grade is considered to have accepted his promotion on the date of the order announcing it, unless he expressly declines the promotion, prior to repeal by Pub. L. 96–513, title II, §207, title VII, §701, Dec. 12, 1980, 94 Stat. 2884, 2955, effective Sept. 15, 1981.

#### Amendments

2021—Pub. L. 116–283, §1821(b)(1)(A), transferred this section so as to precede section 3452 and appear at the beginning of this chapter.

Pub. L. 116–283, §1821(a)(2), renumbered section 2376 of this title as this section.

2018—Par. (1). Pub. L. 115–232 substituted "terms 'commercial product', 'commercial service'," for "terms 'commercial item'," and "sections 103, 103a, 110, 105, and 102, respectively, of title 41" for "chapter 1 of title 41".

2011—Par. (1). Pub. L. 111–350 substituted "chapter 1 of title 41" for "section 4 of the Office of Federal Procurement Policy Act (41 U.S.C. 403)".

2002—Par. (2). Pub. L. 107–296 substituted "of Homeland Security" for "of Transportation".

2001—Par. (1). Pub. L. 107–107 inserted "(41 U.S.C. 403)" after "section 4 of the Office of Federal Procurement Policy Act".

#### **Statutory Notes and Related Subsidiaries**

#### Effective Date of 2021 Amendment

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.

#### Effective Date of 2018 Amendment

Amendment by Pub. L. 115–232 effective Jan. 1, 2020, subject to a savings provision, see section 836(h) of Pub. L. 115–232, set out as an Effective Date of 2018 Amendment; Savings Provision note under section 453b of Title 6, Domestic Security.

#### Effective Date of 2002 Amendment

Amendment by Pub. L. 107–296 effective on the date of transfer of the Coast Guard to the Department of Homeland Security, see section 1704(g) of Pub. L. 107–296, set out as a note under section 101 of this title.