2007—Pub. L. 110–134 designated existing provisions as subsec. (a), inserted heading, and added subsec. (b).

1990—Pub. L. 101–501 inserted at end “The Secretary shall encourage Head Start agencies to provide compensation according to salary scales that are based on training and experience.”

Amendment by Pub. L. 101–501 effective Oct. 1, 1990, see section 1001(a) of Pub. L. 101–501, set out as a note under section 8621 of this title.