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 L. 110–234 were repealed by section 4(a) of Puspan.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

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

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

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

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

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

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

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