2019—Subsec. (a). Pub. L. 116–9 substituted “2019 through 2023” for “2007 through 2012”.

2007—Subsec. (a). Pub. L. 110–133, § 2(c), substituted “2007 through 2012” for “2001, 2002, 2003, 2004, 2005, 2006, and 2007”.

Subsec. (b). Pub. L. 110–133, § 2(b), substituted “$100,000” for “$80,000”.

2002—Pub. L. 107–141, § 3, designated existing provisions as subsec. (a), inserted heading, substituted “There is authorized” for “There are authorized”, and added subsec. (b).

Pub. L. 107–141, § 2, substituted “2001, 2002, 2003, 2004, 2005, 2006, and 2007” for “1998, 1999, 2000, 2001, and 2002”.