1981—Pub. L. 97–35 added subsec. (a). Former unlettered provisions were designated subsec. (b) and, as so designated, struck out authorization of the Secretary to employ personnel and make administrative expenditures.

Amendment by Pub. L. 97–35 effective Oct. 1, 1981, see section 159(b) of Pub. L. 97–35, set out as a note under section 94 of this title.