The date of the enactment of the William M. (Mac) Thornberry National Defense Authorization Act for Fiscal Year 2021, referred to in subsec. (a), is the date of enactment of Pub. L. 116–283, which was approved Jan. 1, 2021.

2021—Pub. L. 117–81, § 902(a)(1), renumbered section 146 of this title as this section.

Subsec. (a). Pub. L. 117–81, § 902(a)(2), substituted “in the Department of Defense an” for “in the Office of the Secretary of Defense an office to be known as the” and inserted at end “The Secretary shall designate the Office as a Department of Defense Field Activity pursuant to section 191, effective as of the date of the enactment of the William M. (Mac) Thornberry National Defense Authorization Act for Fiscal Year 2021 (Public Law 116–283).”

Subsec. (b). Pub. L. 117–81, § 902(a)(3)(A), substituted “Secretary of Defense” for “Under Secretary of Defense for Acquisition and Sustainment” in introductory provisions.

Subsec. (c)(4). Pub. L. 117–81, § 902(a)(3)(B), substituted “Secretary” for “Under Secretary of Defense for Acquisition and Sustainment”.

Pub. L. 117–81, div. A, title IX, § 902(b), Dec. 27, 2021, 135 Stat. 1869, provided that: “No personnel of the Office of Local Defense Community Cooperation under section 198 of title 10, United States Code (as added by subsection (a)), may be involuntarily separated from service with that Office during the one-year period beginning on the date of the enactment of this Act [Dec. 27, 2021], except for cause.”

Pub. L. 117–81, div. A, title IX, § 902(c), Dec. 27, 2021, 135 Stat. 1869, provided that: “Any program, project, or other activity administered by the Office of Economic Adjustment of the Department of Defense as of the date of the enactment of the William M. (Mac) Thornberry National Defense Authorization Act for Fiscal Year 2021 (Public Law 116–283) [Jan. 1, 2021] shall be administered by the Office of Local Defense Community Cooperation under section 198 of title 10, United States Code (as added by subsection (a)).”