Pub. L. 110–234 and Pub. L. 110–246 made identical amendments to this section. The amendments by Pub. L. 110–234 were repealed by section 4(a) of Pub. L. 110–246.

A prior section 1462 of Pub. L. 95–113 was classified to section 3304 of this title, prior to repeal by Pub. L. 99–198.

2018—Subsec. (a). Pub. L. 115–334, § 7125(1), substituted “30 percent” for “22 percent”.

Subsec. (b). Pub. L. 115–334, § 7125(2), substituted “Subsections (a) and (c)” for “Subsection (a)”.

Subsec. (c). Pub. L. 115–334, § 7125(3), added subsec. (c).

2008—Subsec. (a). Pub. L. 110–246, § 7132(a), substituted “any agricultural” for “a competitive agricultural” and “22 percent” for “19 percent”.

2002—Pub. L. 107–171 designated existing provisions as subsec. (a), inserted heading, and added subsec. (b).

Amendment of this section and repeal of Pub. L. 110–234 by Pub. L. 110–246 effective May 22, 2008, the date of enactment of Pub. L. 110–234, see section 4 of Pub. L. 110–246, set out as an Effective Date note under section 8701 of this title.