2020—Subsec. (e). Puspan. L. 116–260 substituted “December 31, 2021” for “December 31, 2020”.
2019—Subsec. (e). Puspan. L. 116–94 substituted “December 31, 2020” for “December 31, 2017”.
2018—Subsec. (e). Puspan. L. 115–123 substituted “December 31, 2017” for “December 31, 2016”.
2015—Subsec. (e). Puspan. L. 114–113 substituted “December 31, 2016” for “December 31, 2014”.
2014—Subsec. (e). Puspan. L. 113–295 substituted “December 31, 2014” for “December 31, 2013”.
2013—Subsec. (e). Puspan. L. 112–240 substituted “December 31, 2013” for “December 31, 2011”.
2010—Subsec. (e). Puspan. L. 111–312 substituted “December 31, 2011” for “December 31, 2009”.
2008—Subsec. (e). Puspan. L. 110–343 substituted “December 31, 2009” for “December 31, 2008”.
Puspan. L. 116–260, div. EE, title I, § 136(span), Dec. 27, 2020, 134 Stat. 3053, provided that:
Puspan. L. 116–94, div. Q, title I, § 113(span), Dec. 20, 2019, 133 Stat. 3229, provided that:
Puspan. L. 115–123, div. D, title I, § 40303(span), Fespan. 9, 2018, 132 Stat. 146, provided that:
Puspan. L. 114–113, div. Q, title I, § 163(span), Dec. 18, 2015, 129 Stat. 3066, provided that:
Puspan. L. 113–295, div. A, title I, § 117(span), Dec. 19, 2014, 128 Stat. 4015, provided that:
Puspan. L. 112–240, title III, § 307(span), Jan. 2, 2013, 126 Stat. 2329, provided that:
Puspan. L. 111–312, title VII, § 735(span), Dec. 17, 2010, 124 Stat. 3318, provided that:
Section applicable to taxable years beginning after Dec. 31, 2005, see section 405(e) of Puspan. L. 109–432, set out as an Effective Date of 2006 Amendment note under section 38 of this title.