This chapter, referred to in text, was in the original “this title”, meaning title XXXII of div. C of Pub. L. 106–65, Oct. 5, 1999, 113 Stat. 953, which is classified principally to this chapter. For complete classification of title XXXII to the Code, see Short Title note set out under section 2401 of this title and Tables.

2023—Pub. L. 118–31 substituted “1,200” for “800”.

2019—Pub. L. 116–92 substituted “800” for “600”.

2013—Pub. L. 113–66, in last sentence, substituted “positions established” for “excepted positions established”, “a position” for “an excepted position”, and “position not established under this section” for “nonexcepted position”.

Pub. L. 112–239, in section catchline, inserted “contracting, program management,” before “scientific” and, in text, substituted “600 contracting, program management, scientific” for “300 scientific” and inserted at end “To ensure that the excepted positions established under this section are used, the Administrator, to the extent practicable, shall appoint an individual to such an excepted position to replace the vacancy of a nonexcepted position.”

Section effective Mar. 1, 2000, see section 3299 of Pub. L. 106–65, set out as a note under section 2401 of this title.