2018—Subsec. (a). Pub. L. 115–198, § 7(d)(1), substituted “2022” for “2017” in introductory provisions.

Subsecs. (b), (c). Pub. L. 115–198, § 7(d)(2), (3), added subsec. (b) and redesignated former subsec. (b) as (c).

2012—Subsec. (a). Pub. L. 112–172 substituted “2017” for “2012” in introductory provisions.

2008—Subsec. (a). Pub. L. 110–346 substituted “annually thereafter through 2012” for “in each of the 2 years thereafter” in introductory provisions.

2004—Subsec. (a)(2). Pub. L. 108–447 substituted “subparagraphs (A) through (D) of section 7832(b)(1) of this title” for “paragraphs (1) through (4) of section 7832(b) of this title”.