2019—Subsec. (e). Pub. L. 116–94 substituted “Arizona and the District of Columbia.” for “Arizona.”

2009—Pub. L. 111–90, § 5(1), substituted “and Stewart L. Udall” for “Scholarship and Excellence in National Environmental Policy” in section catchline.

Subsec. (a). Pub. L. 111–90, § 5(2), substituted “and Stewart L. Udall” for “Scholarship and Excellence in National Environmental Policy”.

Subsec. (f)(2). Pub. L. 111–90, § 5(3), substituted “a rate determined by the Board in accordance with section 5383 of title 5” for “the rate specified for employees in level IV of the Executive Schedule under section 5315 of title 5”.

1998—Subsec. (b). Pub. L. 105–156, § 3(1), substituted “thirteen” for “twelve” in introductory provisions.

Subsec. (b)(7). Pub. L. 105–156, § 3(2), added par. (7).

1996—Subsec. (c)(1)(C). Pub. L. 104–208 added subpar. (C).