The date of enactment of this section, referred to in subsec. (a), is the date of enactment of Pub. L. 112–95, which was approved Feb. 14, 2012.

2016—Subsec. (b)(3)(C). Pub. L. 114–190, § 2308(a)(2), added subpar. (C). Former subpar. (C) redesignated (D).

Subsec. (b)(3)(D). Pub. L. 114–190, § 2308(a)(1), (3), redesignated subpar. (C) as (D) and substituted “subparagraphs (A), (B), and (C)” for “subparagraphs (A) and (B)” in introductory provisions.

Subsec. (i)(4). Pub. L. 114–190, § 2308(b), amended par. (4) generally. Prior to amendment, text read as follows: “The term ‘excessive tarmac delay’ means a tarmac delay that lasts for a length of time, as determined by the Secretary.”

Pub. L. 112–95, title IV, § 415(c), Feb. 14, 2012, 126 Stat. 96, provided that: “Except as otherwise provided, the requirements of chapter 423 of title 49, United States Code, as added by this section, shall begin to apply 60 days after the date of enactment of this Act [Feb. 14, 2012].”

Pub. L. 114–190, title II, § 2308(c), July 15, 2016, 130 Stat. 648, provided that: “Not later than 90 days after the date of enactment of this section [July 15, 2016], the Secretary of Transportation shall issue regulations and take other actions necessary to carry out the amendments made by this section [amending this section].”